Articles: Complete Reference

This page is the single-page reference for Italian articles. Every form, every rule, every distribution pattern — laid out on tables you can scan in five seconds. Each section's deep treatment lives on its own dedicated page; the links at the bottom of each section will take you there. Treat this page as the command-center grid: when you need to know what article to use, what contraction to apply, or whether to drop the article entirely, the answer is here.

Italian articles are not a list. They are a machine with three subsystems (definite, indefinite, partitive), one rule that drives all three (phonotactic distribution), one set of forced contractions (preposizioni articolate), and a finite catalog of contexts where the article appears or vanishes. Once you see the whole machine on one page, the apparent complexity collapses into structure.

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If you remember just one cross-cutting fact: the form of every Italian article — definite, indefinite, or partitive — depends on the first sound of the next word. Consonant cluster s+cons / z / gn / ps / pn / x / y triggers lo / uno / dello / gli / degli / negli; vowel triggers l' / un' / dell'; everything else gets the simple consonant forms. One rule, three subsystems, total coverage.

1. Definite articles: the seven forms

Phonotactic context (first sound of next word)m. sg.m. pl.f. sg.f. pl.
Most consonants (b, c, d, f, g, l, m, n, p, q, r, t, v)ililale
s + consonant, z, gn, x, y, ps, pnloglilale
Vowell'glil'le

Examples for each cell of the grid:

Contextm. sg.m. pl.f. sg.f. pl.
Most consonantsil libroi librila casale case
s+cons, z, gn, etc.lo studentegli studentila studentessale studentesse
Vowell'amicogli amicil'amicale amiche

The masculine plural pairs with the singular: il → i, but lo / l' → gli. The feminine plural is always le, even before a vowel — never l'ore; always le ore.

Il libro è sul tavolo, ma le chiavi sono in cucina.

The book is on the table, but the keys are in the kitchen.

Gli studenti dell'università di Bologna stanno arrivando ora.

The University of Bologna students are arriving now.

L'amica di Marco lavora a Milano da molti anni.

Marco's friend (f.) has been working in Milan for many years.

See The Seven Forms of the Definite Article.

2. Indefinite articles: the four forms

Phonotactic contextm.f.
Most consonantsun (un libro)una (una casa)
s + consonant, z, gn, x, y, ps, pnuno (uno studente)una (una studentessa)
Vowelun (un amico — no apostrophe)un' (un'amica — apostrophe)

Italian has no plural indefinite article. For "some books, some friends," use the partitive (dei libri, degli amici) or a bare noun. The four-form indefinite system — un, uno, una, un' — covers only the singular.

The single most diagnostic feature: un amico (masculine, no apostrophe) vs un'amica (feminine, apostrophe). The apostrophe is the clearest written gender marker in Italian.

Cerco un appartamento con due camere e un balcone.

I'm looking for an apartment with two bedrooms and a balcony. (un + consonant noun, un + vowel masculine noun — no apostrophe in either case)

Ho un'idea per il regalo di compleanno di tua madre.

I have an idea for your mother's birthday gift. (un' — feminine, apostrophe)

Ho conosciuto uno studente americano e una studentessa francese.

I met an American student (m.) and a French student (f.).

See Indefinite Articles: un, uno, una, un'.

3. Partitive articles: the seven forms

The partitive is built by combining di + the definite article. It expresses "some, any, an unspecified quantity." The seven forms exactly mirror the definite-article system.

DefinitePartitive (di + def.)Example
ildeldel pane (some bread)
lodellodello zucchero (some sugar)
l' (m./f.)dell'dell'olio (some oil), dell'acqua (some water)
ladelladella pasta (some pasta)
ideidei libri (some books)
glideglidegli amici (some friends)
ledelledelle mele (some apples)

The partitive is used with uncountable singulars (del pane, della pasta) for "some" and with countable plurals (dei libri, delle mele) for "some / a few." For singular countables ("a book"), use the indefinite article.

Vorrei del pane, della pasta e delle mele, per favore.

I'd like some bread, some pasta, and some apples, please.

Ci sono dei bambini che giocano nel parco.

There are some kids playing in the park.

See Partitive Articles: del, della, dei, delle.

4. Preposizioni articolate: the contraction grid

The five major prepositionsa, da, di, in, sumust contract with the definite article. The contraction is mandatory; a il libro and di la casa are ungrammatical.

Prep.
  • il
  • lo
  • l'
  • la
  • l' (f.)
  • i
  • gli
  • le
aalalloall'allaall'aiaglialle
dadaldallodall'dalladall'daidaglidalle
dideldellodell'delladell'deideglidelle
innelnellonell'nellanell'neineglinelle
susulsullosull'sullasull'suisuglisulle
con (optional)col(con lo)(con l')(con la)(con l')coi(con gli)(con le)
per (does not)per ilper loper l'per laper l'per iper gliper le
tra / fra (never)tra iltra lotra l'tra latra l'tra itra glitra le

con: only col and coi survive in modern usage; collo / colla / cogli / colle are archaic. per: archaic pel / pella are 19th-century only. tra / fra: never contract under any circumstances.

Vado dal dentista alle tre, sul tram della linea cinque.

I'm going to the dentist's at three, on the number five tram. (dal, alle, sul, della — four contractions)

Ho parlato dell'esame con la professoressa stamattina.

I spoke about the exam with the teacher this morning. (dell' = di + l'; 'con la' uncontracted)

Negli anni Settanta, Roma era una città molto diversa da oggi.

In the seventies, Rome was a very different city from today. (negli = in + gli)

See Preposizioni Articolate.

5. Distribution rules: when the article is REQUIRED

Italian uses an article in many contexts where English does not. The following list catalogues the contexts where the definite article is mandatory.

Specific or identified nouns

Il libro che mi hai prestato è bellissimo.

The book you lent me is wonderful.

Generic / abstract concepts

L'amore è eterno, almeno nelle canzoni.

Love is eternal, at least in songs. (English drops 'the,' Italian requires it for generic abstractions.)

Mi piace il caffè ma non bevo il tè.

I like coffee but I don't drink tea. (generic — articles required)

With possessives (except singular family nouns)

Il mio libro è in biblioteca, le tue chiavi sono qui.

My book is in the library, your keys are here. (article + possessive: il mio, le tue)

Mio padre arriva domani, ma i miei genitori sono già qui.

My father is arriving tomorrow, but my parents are already here. ('mio padre' bare; 'i miei genitori' plural — article returns)

With languages (mostly)

L'italiano è una lingua musicale.

Italian is a musical language. (subject — article)

Studio l'inglese da quando avevo sei anni.

I've been studying English since I was six.

After parlare the article often drops: parlo italiano (no article) is more natural than parlo l'italiano (with article — sounds slightly emphatic).

With countries (as subject)

L'Italia è bellissima in primavera.

Italy is beautiful in springtime. (subject — article)

With days for habitual / recurring events

Il lunedì faccio sempre yoga.

On Mondays I always do yoga. (habitual — article)

Geographic features (rivers, mountains, lakes, seas)

Le Alpi separano l'Italia dalla Francia e dalla Svizzera.

The Alps separate Italy from France and Switzerland.

Titles + surname (third-person reference)

Il signor Rossi è arrivato un'ora fa.

Mr. Rossi arrived an hour ago. (reference — article)

Body parts in inalienable possession

Mi fa male la testa, prendo un'aspirina.

My head hurts, I'll take an aspirin. (Italian: 'la testa' — the head; English: 'my head' — possessive)

Years, dates, percentages

Il 25 aprile del 1945 è una data fondamentale.

April 25, 1945 is a fundamental date.

Il 30% degli italiani vive al sud.

30% of Italians live in the south. (il + percentage)

Times of day

La mattina lavoro, il pomeriggio studio.

In the morning I work, in the afternoon I study.

See When to Use the Definite Article.

6. Distribution rules: when the article is OMITTED

The mirror catalog. Italian drops the article in this finite set of contexts.

Vocatives

Maria, vieni qui un attimo!

Maria, come here for a second! (vocative — no article)

Direct address with title

Signor Rossi, può aspettare un momento?

Mr. Rossi, can you wait a moment? (vocative — no article)

After a / in with institutional locations

A che ora torni a casa stasera?

What time are you coming home tonight? (a casa — institutional, no article)

I bambini sono ancora in classe.

The kids are still in class. (in classe — institutional)

After di with material

Mi ha regalato un anello d'oro per Natale.

She gave me a gold ring for Christmas. (d'oro — material, no article)

In enumerations

Ho comprato pane, latte, frutta e verdura al mercato.

I bought bread, milk, fruit, and vegetables at the market. (enumeration — articles dropped)

After quantity expressions (with di)

Vorrei un bicchiere d'acqua e una tazza di tè, per favore.

I'd like a glass of water and a cup of tea, please. (quantity expressions — no article)

After adverbs of quantity

Ho poco tempo, parliamo domani con calma.

I have little time, let's talk tomorrow. (poco tempo — no article)

Exclamations with che

Che bella giornata oggi!

What a beautiful day today! ('che' + bare noun)

avere + sensation expressions

Ho fame, andiamo a pranzare.

I'm hungry, let's go to lunch. (no article — never 'ho la fame')

essere + profession

Marco è medico da quindici anni.

Marco has been a doctor for fifteen years. ('essere + profession' — no article)

Newspaper headlines

Vince partito di centrosinistra alle regionali.

Center-left party wins regional elections. (headline — bare nouns)

See When Articles Are Omitted.

7. Special geographic rules

TypeSubject / objectAfter 'a' / 'in'
Cityno article (Roma, Milano)a Roma (preposition: a)
City with built-in articlewith article (L'Aquila)all'Aquila
Country (singular)with article (l'Italia)in Italia (article dropped)
Country (plural)with article (gli Stati Uniti)negli Stati Uniti (with contraction)
Regionwith article (la Toscana)in Toscana (article dropped)
Continentwith article (l'Europa)in Europa (article dropped)
Small islandno article (Capri)a Capri
Large islandwith article (la Sicilia)in Sicilia (article dropped)
Riverwith article (il Po, l'Arno)(rare in this position)
Mountain rangewith article (le Alpi)sulle Alpi
Lakewith article (il lago di Garda)sul lago di Garda

The cleanest dichotomy: a + city (a Roma, a Milano), in + country (in Italia, in Francia). Plural countries keep the contraction (negli Stati Uniti).

Abito a Roma, in Italia, e in estate vado spesso sul lago di Como.

I live in Rome, in Italy, and in summer I often go to Lake Como. (a + city, in + country, su + lake-with-article — three patterns in one sentence)

See Articles with Countries, Regions, and Cities.

8. Special temporal rules

Time expressionArticle?Example
Day, habitualil / lail lunedì, la domenica
Day, specificnonelunedì, sabato prossimo
Month, after a/innonea gennaio, in agosto
Month, modifiedilil prossimo gennaio
Season, subject/objectl' / lal'estate, la primavera
Season, after di/innoned'estate, in inverno
Yearilil 1985, nel 2024
Decadegligli anni '80, negli anni '70
Centuryilil XX secolo, il Novecento
Date (general)il + cardinalil 15 marzo
Date (1st of month)il primoil primo gennaio
Clock timele (l' for one)le tre, alle nove, l'una
Time of day, adverbialla / il OR di + barela mattina / di mattina

The critical contrasts: il lunedì (habitual) vs. lunedì (specific); il primo gennaio (only ordinal date) vs. il 5 maggio (cardinal); Sono le tre del pomeriggio (article required for clock time).

Il lunedì vado in palestra, ma lunedì prossimo ho una riunione.

On Mondays I go to the gym, but next Monday I have a meeting. (habitual + specific contrast)

Sono nato il 14 luglio del 1985, alle sette del mattino.

I was born on July 14, 1985, at seven in the morning. (date format + clock time)

See Articles with Days, Months, and Dates.

9. The four ways to say "some"

Italian has four overlapping constructions for "some" / "a few." Each carries a slightly different nuance.

ConstructionExampleNuance
Partitive articleHo comprato dei libri.I bought some books. (most natural for indefinite quantity)
Bare nounHo comprato libri.I bought books. (generic, no specific count)
alcuni / alcuneHo comprato alcuni libri.I bought several books. (slightly more emphatic)
qualche (sg.)Ho comprato qualche libro.I bought a few books. (note: 'qualche' takes singular noun, plural meaning)

A learner who knows the partitive is fine. A learner who knows all four can choose the form that exactly matches register and emphasis.

Vorrei dei consigli sulla città, è la mia prima volta a Roma.

I'd like some tips about the city, it's my first time in Rome. (partitive — natural)

Ho qualche dubbio su quello che hai detto.

I have a few doubts about what you said. (qualche + singular = plural meaning)

10. Common mistakes (cross-cutting)

Errors that span multiple article rules. Each is a real transfer error.

❌ Il studente di Marco è bravo.

Incorrect — 'studente' starts with s+consonant; the article must be 'lo' (or 'gli' in plural).

✅ Lo studente di Marco è bravo.

Marco's student is good.

❌ Ho conosciuto un'amico al bar.

Incorrect — 'amico' is masculine; the masculine indefinite is 'un' with no apostrophe.

✅ Ho conosciuto un amico al bar.

I met a friend at the bar.

❌ La amica di Anna abita a Roma.

Incorrect — before a vowel, 'la' elides to 'l''.

✅ L'amica di Anna abita a Roma.

Anna's friend lives in Rome.

❌ Amore è bello.

Incorrect — Italian requires the article with abstract / generic nouns.

✅ L'amore è bello.

Love is beautiful.

❌ Vado a il cinema stasera.

Incorrect — 'a + il' must contract to 'al'. The uncontracted form is ungrammatical.

✅ Vado al cinema stasera.

I'm going to the cinema tonight.

❌ Ho parlato di gli amici di mio fratello.

Incorrect — 'di + gli' must contract to 'degli'.

✅ Ho parlato degli amici di mio fratello.

I talked about my brother's friends.

❌ Vivo a Italia da cinque anni.

Incorrect — countries take 'in', not 'a', and the article drops: 'in Italia'.

✅ Vivo in Italia da cinque anni.

I've been living in Italy for five years.

❌ Sono in Roma per il weekend.

Incorrect — cities take 'a', not 'in'.

✅ Sono a Roma per il weekend.

I'm in Rome for the weekend.

❌ Vado in i Stati Uniti l'anno prossimo.

Incorrect — plural countries keep the article. 'In + i' must contract to 'nei'.

✅ Vado negli Stati Uniti l'anno prossimo.

I'm going to the United States next year.

❌ Ho la fame.

Incorrect — 'avere fame' takes a bare noun. The article never appears with sensation expressions.

✅ Ho fame.

I'm hungry.

❌ Il primo di gennaio è festa.

Incorrect — Italian dates do not insert 'di' between the day and the month name. (Spanish-transfer error)

✅ Il primo gennaio è festa.

January 1st is a holiday.

❌ Lunedì il vado in palestra.

Incorrect word order — the article comes directly before the day name.

✅ Il lunedì vado in palestra.

On Mondays I go to the gym.

❌ Che la bella giornata!

Incorrect — exclamatory 'che' takes a bare noun. No article.

✅ Che bella giornata!

What a beautiful day!

11. The whole article system in one master grid

For at-a-glance lookup of every article form across every gender / number / phonotactic context:

Phonotactic contextdef. m. sg.def. m. pl.indef. m.part. m. sg.part. m. pl.def. f. sg.def. f. pl.indef. f.part. f. sg.part. f. pl.
Most consonantsiliundeldeilaleunadelladelle
s+cons, z, gn, x, y, ps, pnlogliunodellodeglilaleunadelladelle
Vowell'gliundell'deglil'leun'dell'delle

Three rows. Three categories of phonotactic context. Ten columns covering every article in the language. This is the entire surface grid.

12. The contraction grid in one master table

For at-a-glance lookup of every preposition + article combination:

Prep.
  • il
  • lo
  • l'
  • la
  • l' (f.)
  • i
  • gli
  • le
aalalloall'allaall'aiaglialle
dadaldallodall'dalladall'daidaglidalle
dideldellodell'delladell'deideglidelle
innelnellonell'nellanell'neineglinelle
susulsullosull'sullasull'suisuglisulle

The five obligatory contracting prepositions. Thirty-five forms. Memorize them. They are the connective tissue of Italian.

Pensa agli amici della tua infanzia, sui quali puoi sempre contare.

Think about the friends from your childhood, on whom you can always count. (agli, della, sui — three contractions)

13. The whole article-distribution map

A single decision tree for "do I use an article?":

QuestionAnswerArticle?
Am I addressing the person directly?yesNO (vocative)
Am I after 'a' / 'in' with an institutional location?yesNO (a casa, in classe)
Am I after 'di' with a material?yesNO (d'oro, di marmo)
Am I after a quantity word with 'di'?yesNO (un litro di latte)
Am I after 'avere' for a sensation?yesNO (ho fame, ho sete)
Am I after 'essere' + profession?yesNO (è medico)
Am I after exclamatory 'che'?yesNO (Che fame!)
Am I after 'in' + singular country / region / continent?yesNO (in Italia)
Am I before a city name (no built-in article)?yesNO (a Roma)
Am I writing a date for the 1st?yesYES — 'il primo'
Am I writing a date for any other day?yesYES — 'il + cardinal day'
Am I writing a year?yesYES — 'il + year'
Am I writing a habitual day-of-week?yesYES — 'il lunedì'
Am I writing a specific day-of-week?yesNO — 'lunedì prossimo'
Otherwise — abstract / generic / specific noun?YES — Italian almost always uses the article

When in doubt, insert the article. Italian is article-heavy; over-articling is far less wrong than under-articling.

14. Where each piece of the system lives

This page is a lookup. The conceptual treatment of each subsystem lives elsewhere:

That is the entire Italian article system, with every rule, every form, and every context. Bookmark this page. Come back when you need the lookup.

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Related Topics

  • Italian Articles: OverviewA1A roadmap of the entire Italian article system — definite, indefinite, and partitive — and the phonotactic rule that governs all three.
  • The Seven Forms of the Definite ArticleA1Drill il, lo, l', la, i, gli, le — the seven surface forms of Italian's definite article and the phonotactic rule that selects each one.
  • When to Use the Definite ArticleA1The full catalog of contexts where Italian requires a definite article — including the many cases where English drops it.
  • Indefinite Articles: un, uno, una, un'A1The four-form Italian indefinite article — when to use un vs uno, the critical apostrophe rule for un' vs un, and what Italian does instead of a plural indefinite.
  • Partitive Articles: del, della, dei, delleA1Italy's third article system — del, dello, della, dei, degli, delle — formed by combining 'di' with the definite article and used to express 'some' and 'any'.
  • Preposizioni Articolate: Preposition + Article ContractionsA1The mandatory fusion of a, da, di, in, su with the definite article — Italian's most frequent grammatical operation, drilled with the full 8x7 contraction grid.
  • When Articles Are OmittedA2The catalog of contexts where Italian drops the article — vocatives, institutional locations (a casa, in classe), avere expressions (ho fame), enumerations, and headlines — with the underlying logic for each.
  • Articles with Countries, Regions, and CitiesA1The geographic article system — countries take articles (l'Italia, il Giappone), cities don't (Roma, Milano), and the 'in' preposition strips the article from countries (in Italia) but never from plural ones (negli Stati Uniti).
  • Articles with Days, Months, and DatesA2Article use with temporal expressions — il lunedì for habitual, lunedì for specific, a gennaio without article, l'estate with article, dates with il + cardinal day, and the il primo exception for the first of the month.
  • Italian Prepositions: OverviewA1A map of the Italian preposition system — the nine simple prepositions, the obligatory contractions with the definite article, the prepositional phrases built on adverbs and nouns, and the lexical rule that towers over all of it: each verb and noun chooses its own preposition, and you must memorize them one by one.