Ovlašćeni servis ima hiljadu korisnika.

Because it is an adjective describing servis, and it has to agree with it in gender, number, and case.

• servis is masculine singular nominative
• so the adjective is also masculine singular nominative
• that gives ovlašćeni servis

So ovlašćeni means authorized and matches servis grammatically.

Here servis most naturally means an authorized service center, repair shop, or official maintenance provider, especially in contexts like cars, electronics, appliances, and similar things.

So this is probably not service in the abstract English sense, but rather a business/company/center that provides service or repairs.

Ima is the 3rd person singular present of imati, meaning to have.

Since the subject is ovlašćeni servis and that is singular, the verb must also be singular:

• ovlašćeni servis = singular subject
• ima = it has

So the structure is very straightforward:

• Ovlašćeni servis = the authorized service center
• ima = has
• hiljadu korisnika = a thousand users/customers

Because Serbian uses a special pattern after numbers and quantity words.

Here:

• hiljadu = a thousand
• korisnika = of users/customers

After hiljada / hiljadu, the noun that follows normally appears in the genitive plural. That is why you get:

• hiljadu korisnika

and not korisnici, which is nominative plural.

This is similar to saying a thousand of users, even though natural English does not normally phrase it that way.

It is genitive plural.

The base noun is:

• singular: korisnik = user, customer
• plural nominative: korisnici
• plural genitive: korisnika

It appears in the genitive plural because it follows the quantity expression hiljadu.

Because hiljada behaves like a noun, and here it is the direct object of ima.

The verb imati takes an object in the accusative, so:

• nominative: hiljada
• accusative: hiljadu

That is why the sentence has:

• ima hiljadu korisnika

So the whole object is built like this:

• hiljadu = accusative singular
• korisnika = genitive plural

It can mean either, depending on context.

korisnik often means:

• user
• customer
• client
• end user

In a business context like ovlašćeni servis, English might naturally translate it as customers or clients, even though users is also possible.

So the exact best translation depends on what kind of service center this is.

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

So ovlašćeni servis can mean:

• an authorized service center
• the authorized service center

The exact meaning depends on context.

Likewise, hiljadu korisnika can mean:

• a thousand users/customers
• simply one thousand users/customers

Yes. Serbian word order is more flexible than English because case endings show grammatical relationships.

The neutral order here is:

• Ovlašćeni servis ima hiljadu korisnika.

But you could also hear things like:

• Hiljadu korisnika ima ovlašćeni servis.
• Ovlašćeni servis hiljadu korisnika ima.

These are less neutral and may sound more emphatic, stylistic, or context-driven. For a learner, the original order is the safest and most natural choice in ordinary speech and writing.

Yes.

You can identify it as the subject because:

• it is in the nominative
• the verb ima agrees with it in singular
• it is the thing that has something

So:

• Ovlašćeni servis = subject
• ima = verb
• hiljadu korisnika = object

Yes. It comes from the idea of authorizing or granting authority.

So ovlašćen / ovlašćeni means:

• authorized
• licensed
• officially approved

In this sentence, it describes a service center that has official authorization, not just any repair shop.

If the subject were plural, the verb and adjective would change too. For example:

• Ovlašćeni servisi imaju hiljadu korisnika.

That means Authorized service centers have a thousand users/customers.

Changes:

• servis → servisi
• ima → imaju

The quantity phrase hiljadu korisnika stays the same here.

Korisnika is roughly pronounced ko-REES-nee-ka.

Serbian does not mark plural in the same way English does with a simple -s in every context. Instead, the ending changes according to both:

• number
• case

So the noun korisnik changes form depending on its role in the sentence:

• korisnik = singular nominative
• korisnici = plural nominative
• korisnika = plural genitive

That is why korisnika may not look like the plural form you first learned, but it is still plural.