Ovaj mali stan nam je dovoljan.

Ovaj is the masculine singular nominative form of this.

It matches stan because stan is:

• masculine
• singular
• nominative (the subject of the sentence)

So:

• ovaj stan = this apartment
• ova kuća = this house (feminine)
• ovo selo = this village (neuter)

The ending changes because Croatian demonstratives agree with the noun in gender, number, and case.

Mali is an adjective, and adjectives in Croatian must agree with the noun they describe.

Here, stan is:

• masculine
• singular
• nominative

So the adjective also appears in the masculine singular nominative form:

• mali stan = small apartment

Compare:

• mala kuća = small house
• malo selo = small village

Stan usually means apartment or flat.

Depending on context, English speakers might translate it as:

• apartment in American English
• flat in British English

So ovaj mali stan means this small apartment/flat.

Nam means to us or for us.

It is the dative plural form of the pronoun mi (we/us).

The full stressed form is nama, while nam is the short clitic form.

So:

• nam = to us / for us
• nama = to us / for us, but stressed or used after prepositions in some contexts

In this sentence, nam je dovoljan means something like:

• is enough for us
• literally: is sufficient to us/for us

Je is the 3rd person singular present tense of biti (to be).

So the structure is:

• Ovaj mali stan = subject
• nam = to us / for us
• je = is
• dovoljan = sufficient / enough

Literally:

• This small apartment to-us is sufficient

Natural English:

• This small apartment is enough for us.

In Croatian, dovoljan is an adjective meaning:

• sufficient
• enough

It agrees with the noun it describes.

Because stan is masculine singular, we get:

• dovoljan

Compare:

• Ova soba je dovoljna. = This room is enough.
• Ovo je dovoljno. = This is enough.

So in your sentence, dovoljan describes stan:

• The apartment is sufficient / enough.

Because dovoljan is an adjective agreeing with stan.

• stan is masculine singular
• so the adjective must also be masculine singular:
  • dovoljan

Dovoljno can be:

1. the neuter singular adjective form, or
2. an adverb meaning enough / sufficiently

Examples:

• Ovo je dovoljno. = This is enough.
• Radi dovoljno. = He/she works enough.

But here we are describing a masculine noun, stan, so dovoljan is correct.

Both nam and je are clitics in this sentence, meaning they are short unstressed words that like to appear near the beginning of the clause.

Croatian has rules about clitic order, and the normal order here is:

• nam je

So:

• Ovaj mali stan nam je dovoljan.

This is standard and natural.

Very roughly, Croatian clitics tend to come in a fixed sequence, and pronoun clitics like nam come before je.

Because Croatian clitics usually do not stand in the very first position of a clause.

They typically come in the second position, after the first stressed element or phrase.

So:

• Ovaj mali stan = first phrase
• nam je = clitic cluster in second position
• dovoljan = rest of the sentence

That is why Ovaj mali stan nam je dovoljan sounds natural.

Yes, Croatian word order is fairly flexible, but different orders change the emphasis.

For example:

• Ovaj mali stan nam je dovoljan. = neutral
• Dovoljan nam je ovaj mali stan. = emphasizes this small apartment is enough
• Nama je ovaj mali stan dovoljan. = more emphasis on for us

However, the original sentence is a very natural neutral version.

Yes, sometimes Croatian can use za nas (for us), but here nam is the most natural choice.

Compare:

• Ovaj mali stan nam je dovoljan. = This small apartment is enough for us.
• Ovaj mali stan je dovoljan za nas. = also understandable, but a bit more explicit/heavier

With dovoljan, the dative pronoun (nam) is very common and natural.

Croatian does not have articles like English the and a/an.

So:

• stan can mean an apartment, the apartment, or just apartment
• the exact meaning depends on context

In this sentence, ovaj already makes it definite:

• ovaj mali stan = this small apartment

So no article is needed.

Not exactly. The literal structure is closer to:

• This small apartment to-us is sufficient.

Natural English says:

• This small apartment is enough for us.

So the meaning matches well, but Croatian uses:

• a dative pronoun (nam)
• the verb to be
• an adjective (dovoljan)

rather than building the sentence in exactly the same way English does.