Moja porodica ima mali stan.

Because porodica is a feminine singular noun in Serbian.

The possessive pronoun moj changes to match the gender, number, and case of the noun it describes:

• moj = masculine singular
• moja = feminine singular
• moje = neuter singular

So:

• moj stan = my apartment
• moja porodica = my family
• moje dete = my child

Since porodica is feminine, moja is the correct form.

For the same reason: adjectives in Serbian must agree with the noun they describe.

Stan is a masculine singular noun, so the adjective mali must also be masculine singular.

Compare:

• mali stan = a small apartment/flat
• mala kuća = a small house
• malo selo = a small village

So:

• porodica is feminine → moja
• stan is masculine → mali

In Serbian, porodica is grammatically singular, just like family is singular in standard English grammar.

That is why the verb is ima = has, not a plural form.

So:

• Moja porodica ima... = My family has...

Even though a family contains several people, the noun itself is treated as one unit grammatically.

Ima is the 3rd person singular present tense form of the verb imati = to have.

Since the subject is moja porodica (my family), which is singular, the verb must also be singular:

• ja imam = I have
• ti imaš = you have
• on/ona/ono ima = he/she/it has

So:

• Moja porodica ima mali stan. = My family has a small apartment.

In this sentence, both nouns are in forms that make sense for their roles:

• porodica is the subject, so it is in the nominative
• stan is the direct object of ima, so it is in the accusative

However, for many inanimate masculine nouns in Serbian, the accusative singular looks exactly like the nominative singular.

So:

• nominative: stan
• accusative: stan

That is why you see stan unchanged here.

This is different from some other nouns. For example, animate masculine nouns often change in the accusative.

No. Standard Serbian does not have articles.

So mali stan can mean:

• a small apartment
• the small apartment

The exact meaning depends on context.

In this sentence, English usually translates it as a small apartment because that sounds most natural.

Serbian word order is more flexible than English word order, but some orders sound more neutral than others.

The most natural, neutral order here is:

• Moja porodica ima mali stan.

Other orders are possible, but they usually add emphasis, contrast, or a special tone. For example:

• Mali stan ima moja porodica.
  This puts more focus on small apartment.

• Moja porodica mali stan ima.
  This is possible, but it sounds marked or poetic in normal conversation.

So for a learner, the best default is:

• subject + verb + object

Yes, grammatically you can.

• Porodica ima mali stan. = The family / A family has a small apartment.
• Moja porodica ima mali stan. = My family has a small apartment.

But if you want to say my family, you need moja.

Also, in Serbian, possessive words like moj / moja / moje are often omitted when context already makes ownership obvious, but in a simple standalone sentence like this, keeping moja is completely natural.

A simple pronunciation guide for an English speaker is:

• Moja ≈ MO-ya
• porodica ≈ po-RO-di-tsa
• ima ≈ EE-ma
• mali ≈ MA-li
• stan ≈ stahn

A few useful points:

• j in Serbian sounds like English y in yes
• c usually sounds like ts
• vowels are generally clear and short:
  • a as in father
  • i as in machine
  • o as in more but shorter

So the whole sentence is roughly:

MO-ya po-RO-di-tsa EE-ma MA-li stahn

Usually stan is translated as apartment or flat.

It refers to a dwelling unit in a building, not a whole house. In British English, flat is often the closest equivalent; in American English, apartment is usually the best choice.

So:

• stan = apartment / flat
• kuća = house

The dictionary forms are:

• moj = my
• porodica = family
• imati = to have
• mali = small
• stan = apartment / flat

In the sentence, some of these appear in forms that agree with gender or fit the grammar:

• moj → moja because porodica is feminine
• mali stays mali because stan is masculine singular
• imati → ima because the subject is third person singular

That depends on which standard variety you are learning.

In Serbian, porodica is the normal word for family.

Obitelj is standard in Croatian, not the usual choice in Serbian. Serbian speakers would generally say:

• porodica

So if you are learning Serbian specifically, Moja porodica ima mali stan is the natural version.