The Preposition A: Overview

After di, the preposition a is the most frequent in Italian — about one in five preposition tokens. It carries an extraordinary range of meanings: direction (vado a Roma), location (sono a casa), time (alle tre), recipient (scrivo a Maria), manner (a piedi, a mano), price (a 5 euro), and many fixed expressions. It is also the connector that joins certain verbs to a following infinitive (cominciare a parlare, imparare a guidare, riuscire a finire) — the natural counterpart to the di + infinitive verbs covered elsewhere in this grammar.

This page walks you through a's core uses systematically, gives you the obligatory contractions (al, allo, alla, ai, agli, alle, all'), and addresses the single biggest trap for Spanish speakers: Italian has no "personal a". Where Spanish requires a before a human direct object (veo a María), Italian uses none (vedo Maria). Getting this right is non-negotiable for natural Italian.

1. The eight uses of a at a glance

The full inventory:

2. Direction: a with cities and small islands

To say you're going to a city, Italian uses a, not in. This is the most diagnostic preposition rule in early Italian — getting it wrong is the surest sign of a beginner.

The same applies to small islands — the ones that pattern with cities rather than with regions. Italian distinguishes:

• Small islands (one main town): a Capri, a Ischia, a Lampedusa, a Pantelleria, a Ponza — take a.
• Large islands (multiple towns, region-sized): in Sicilia, in Sardegna, in Corsica — take in.

The dividing line is roughly: if the island has its own region status, it's in; if it's essentially one town that happens to sit on water, it's a. There is no precise rule beyond this — the assignment is lexical.

For the full geographic preposition system, see Articles with Countries, Regions, and Cities. The rule for a is: cities and small islands, no article, a + bare name.

3. Location: at home, at school, at work

When you are located at certain everyday places — home, school, work, church, the cinema, the market — Italian uses a, often with the article (which then contracts).

The article-or-no-article split is partly lexical and partly historical. The bare forms (a casa, a scuola, a letto, a tavola, a teatro) are set expressions that have lost their article through frequency of use. The forms with article (al cinema, al mare, al ristorante) follow the regular pattern. There is no broad semantic rule; you memorize each one with its article behavior.

4. Time: clock time, holidays, certain time expressions

For clock time ("at three"), Italian uses a + le + number, with mandatory contraction:

The plural form (alle) is used for every hour from two onwards because le ore (the hours) is implicit: alle tre = alle tre ore (at the three [hours]). One o'clock is the exception: all'una (at the one [hour], singular).

For holidays and named occasions, Italian uses a without an article:

For months, both in and a are heard: in gennaio and a gennaio are interchangeable in modern Italian. In is slightly more frequent in writing; a in speech.

5. The indirect object marker

This is one of the most important uses of a and the source of many transfer errors from English. Italian marks the indirect object — the recipient or addressee — with a, where English often uses no preposition or uses "to."

Several of these verbs are notoriously difficult for English speakers because the English equivalent uses a direct object (no preposition), while Italian requires a. The classic example is telefonare: in English, I called Marco (Marco is direct object); in Italian, Telefono a Marco (Marco is indirect — a Marco). Forgetting the a and saying telefono Marco is one of the most common beginner errors.

The indirect object can also be expressed with a clitic pronoun (gli, le, ci, vi, mi, ti) — see Pronouns: Overview. When you replace a Marco with the clitic, you get gli telefono (I call him); the a disappears, encoded into the clitic.

6. Verb + a + infinitive

Italian has a specific class of verbs that require a before a following infinitive. This is the parallel of the di + infinitive verb list and must be memorized verb by verb.

The high-frequency a + infinitive verbs:

The cluster of "movement verbs" — andare a, venire a — uses a to introduce the purpose of the movement: vado a comprare il pane (I'm going to buy bread). This is the closest Italian gets to a "go and do" construction; the a is mandatory.

The cluster of inceptive verbs — cominciare a, iniziare a, mettersi a — all take a for "start to do." There is a near-synonym for iniziare (cominciare) and they are interchangeable.

The verb riuscire a ("to manage to, to succeed in doing") is non-substitutable: there is no Italian equivalent of "I succeed in doing X" without it.

For the complete contrast with di + infinitive verbs, see Di with Verbs. The two systems are arbitrary and must be drilled side by side.

7. Manner and means

A productive use of a is to mark manner or means — the way an action is performed. Many of these are fixed expressions.

These expressions are idiomatic and cannot always be reverse-engineered from the components. A piedi literally is "to feet," but the meaning "on foot" is fixed. Memorize each phrase as a unit.

A subtle distinction: for transport, Italian uses in for inside-the-vehicle modes (in macchina, in autobus, in treno, in aereo) but a for unenclosed modes (a piedi, a cavallo). Cycling is the exception — in bici (in / on a bike) is the colloquial standard, though a piedi remains a piedi.

8. Price and rate

For prices and rates, Italian uses a:

The rate construction a 30 euro al chilo (at 30 euros per kilo) uses a twice: once for the price (a 30 euro) and once for the unit (al chilo).

9. The crucial contrast: Italian has no personal a

Spanish requires a before a human direct object: veo a María, conozco a tu hermano, busco a Marco. Italian does not. Direct objects are bare in Italian, regardless of whether they are human or inanimate.

This is one of the most diagnostic differences between Italian and Spanish, and one of the most consistent error patterns in Spanish-speaker Italian. Italian direct objects are bare, period. Even with people. Even with proper names. Even with family members.

The contrast with chiamare is instructive. Chiamare takes a direct object (chiamo Marco = I call Marco), but telefonare takes an indirect object (telefono a Marco). Same English meaning ("call"), two different Italian patterns. The bare Marco in chiamo Marco is the rule for direct objects — and it does not get an a even though Marco is a person.

10. The contractions: al / allo / all' / alla / ai / agli / alle

When a meets a definite article, it must contract.

These seven forms are obligatory. A il cinema and a la festa are ungrammatical — the contraction must happen, in every register.

For the full treatment of contractions, see Preposizioni Articolate.

11. A vs. in: the location dichotomy

The most useful single rule about a is its split with in for places. Memorize:

The pattern is rough but reliable: a tends to mark point-like locations (cities, specific establishments, set expressions for daily places); in tends to mark enclosed regions or volumes (countries, large geographic areas, the inside of a vehicle, rooms of a house). The exceptions cluster around set expressions, which must be memorized.

12. A vs. da with people

Another important contrast: a marks the recipient in indirect-object constructions, while da marks the place where someone is — typically someone's home or establishment.

This da-construction is uniquely Italian — there is no clean English equivalent. Vado dal medico compresses what English needs five or six words to express ("I'm going to the doctor's office"). It is one of the most useful idioms in everyday Italian.

13. Common mistakes

The errors English and Spanish speakers make most often.

14. Summary table: every use, with one example

15. The mental model

If you internalize three things, you have most of a:

1. A city, in country. Vado a Roma, in Italia. This dichotomy alone covers a huge fraction of a uses.
2. A is the indirect-object marker. Verbs of giving, telling, calling, asking all take a before the recipient — even when English uses no preposition. Telefono a Marco, scrivo a Maria, chiedo a mio padre.
3. Italian has no personal a. Direct objects, even human ones, take no preposition. Vedo Maria, conosco tuo fratello, cerco un dentista. This is the opposite of Spanish.

Once these three reflexes are in place, the rest of a — the time expressions, the manner phrases, the verbs taking a + infinitive — settle into their slots through exposure.

Where to go next

• Prepositions: Overview — the architectural map of the Italian preposition system, where a sits in the high-frequency core.
• The Preposition Di: Overview — the most common Italian preposition, the partner to a in most sentences.
• Di with Verbs — the di + infinitive verbs, the natural complement to the a + infinitive list on this page.
• Preposizioni Articolate — the full contraction grid, including al, allo, alla, ai, agli, alle.
• Articles with Countries, Regions, and Cities — the geographic preposition system, where the a / in split for cities and countries lives in detail.