Fotoliul este în camera de zi.

Because -ul is the definite article in Romanian for many neuter/masculine nouns in the singular.

• fotoliu = an armchair
• fotoliul = the armchair

Unlike English, Romanian usually adds the to the end of the noun instead of putting a separate word in front.

Este means is and comes from the verb a fi = to be.

In this sentence, Romanian normally keeps the verb:

• Fotoliul este în camera de zi.
• The armchair is in the living room.

In casual speech, Romanian sometimes drops este in some contexts, but for learners, it is best to use it here.

În means in.

So:

• în camera de zi = in the living room

The letter â/î in Romanian represents a vowel sound that does not exist in English. In în, it is pronounced roughly like a close central vowel, not like English in.

Because cameră is the indefinite form, while camera is the definite form.

• cameră = a room
• camera = the room

Here, camera de zi means the living room, so the noun appears in its definite form.

For many feminine nouns ending in -ă, the definite form ends in -a:

• casă → casa
• masă → masa
• cameră → camera

Literally, it means something like the room of day.

But this is a normal Romanian expression for the living room.

So:

• camera de zi = living room

Romanian often uses de in expressions like this to connect nouns.

In this phrase, de is part of the fixed expression camera de zi.

Very literally, de can mean of, for, or sometimes something more general depending on the phrase. Here, you should learn camera de zi as one unit meaning living room, rather than translating each word too mechanically.

Yes. In Romanian, in expressions like this, the first noun usually carries the definite article.

So:

• camera de zi = the living room

Even though zi by itself means day, it does not need a separate definite article here.

A simple learner-friendly pronunciation would be:

fo-toh-lee-ul es-teh uhn kah-meh-ra deh zii

A few notes:

• fo-to-liul is pronounced smoothly; the ending is not like English yool exactly.
• este = ES-te
• în is not exactly like English in; it is a Romanian vowel sound.
• zi sounds like zee

If you want, a rough IPA version is:

/fotoˈli.ul ˈes.te ɨn ˌka.me.ra de ˈzi/

Yes, Romanian word order is fairly flexible, but this sentence in its current form is the most neutral and natural for a learner:

• Fotoliul este în camera de zi.

Other orders may be possible for emphasis, but they are not the best starting point. If you are just learning, use the standard pattern:

subject + este + location

Because fotoliu specifically means armchair or easy chair, not a regular chair.

Compare:

• scaun = chair
• fotoliu = armchair
• canapea = sofa / couch

So fotoliul refers to a more comfortable seat with arms.

Yes. Se află can also mean is located or is found.

So:

• Fotoliul este în camera de zi. = neutral, everyday
• Fotoliul se află în camera de zi. = a bit more formal or descriptive

For basic conversation, este în is simpler and very common.

Very often, yes. Romanian usually uses an attached definite article.

Examples:

• băiat = a boy → băiatul = the boy
• fată = a girl → fata = the girl
• fotoliu = an armchair → fotoliul = the armchair
• cameră = a room → camera = the room

This is one of the most important patterns in Romanian grammar, and this sentence shows it twice:

• fotoliul
• camera

Yes. It is a phrase showing location.

It breaks down like this:

• în = in
• camera de zi = the living room

Together:

• în camera de zi = in the living room

So the whole sentence has:

• Fotoliul = subject
• este = verb
• în camera de zi = location phrase