Mapa je na stolu pored ulaznice za predstavu.

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

So:

• mapa = map
• je = is

That gives Mapa je... = The map is... / A map is...

In Serbian, this is the normal way to make a basic X is Y / X is somewhere sentence.

Mapa is a feminine singular noun.

A lot of Serbian nouns ending in -a are feminine, and mapa follows that pattern.

Here it is in the nominative singular because it is the subject of the sentence:

• Mapa je... = The map is...

Because na can be used with different cases depending on the meaning.

Here, na stolu expresses location (on the table), so sto goes into the locative singular:

• sto = nominative
• stolu = locative

So:

• na stolu = on the table

If it meant movement onto the table, Serbian would use the accusative instead:

• na sto = onto the table

So the contrast is:

• Mapa je na stolu. = The map is on the table.
• Stavljam mapu na sto. = I am putting the map onto the table.

Stolu is in the locative singular.

The preposition na often takes:

• locative for location: na stolu = on the table
• accusative for motion toward a place: na sto = onto the table

So in this sentence, stolu is locative because the map is already located there.

The preposition pored means beside / next to / by, and it takes the genitive case.

So ulaznica changes to ulaznice:

• ulaznica = nominative singular
• ulaznice = genitive singular

That is why the sentence says:

• pored ulaznice = next to the ticket

Ulaznica means ticket, especially an admission ticket or entry ticket.

It comes from the idea of entry/admission (ulaz = entrance, entry).

So ulaznica za predstavu is naturally understood as a ticket for a show/performance/play.

The preposition za here means for, and in this use it takes the accusative case.

So:

• predstava = nominative singular
• predstavu = accusative singular

That gives:

• ulaznica za predstavu = ticket for the performance/show/play

Predstava can mean several similar things depending on context:

• play (theatrical play)
• show
• performance

In this sentence, all of those can work depending on the translation you were given. If the context is theater, play is often the most natural choice. If the context is broader, show or performance may fit better.

Serbian normally does not use articles like English a/an/the.

So:

• mapa can mean a map or the map
• ulaznica can mean a ticket or the ticket
• predstava can mean a show/the show, depending on context

The exact meaning is usually understood from the situation, previous sentences, or emphasis.

In meaning, it describes where the map is.

A natural understanding is:

• Mapa je [na stolu] [pored ulaznice za predstavu].

So the map is on the table, and more specifically it is next to the ticket for the performance.

In other words, pored ulaznice za predstavu helps specify the map’s position.

Yes. Serbian word order is more flexible than English word order.

The neutral version here is:

• Mapa je na stolu pored ulaznice za predstavu.

But other orders are possible for emphasis, for example:

• Na stolu pored ulaznice za predstavu je mapa.
• Pored ulaznice za predstavu mapa je na stolu.

These versions may sound more marked or stylistically different, but they are still understandable. The original sentence is the most straightforward and neutral.

Yes, sometimes mapa can also mean a folder or portfolio in some contexts, especially in administrative or school-related usage.

But in many beginner sentences, mapa is understood as map unless the context clearly suggests otherwise.

That is a very good learner question, because ulaznice can indeed look ambiguous.

It could be:

• genitive singular of ulaznica
• nominative plural of ulaznica

But here the preposition pored requires the genitive, so the grammar tells you it must be genitive singular:

• pored ulaznice = next to the/a ticket

If it were nominative plural, it would not fit after pored.

Yes, and that is a very helpful way to read Serbian sentences.

You can break it into these chunks:

• Mapa = the map
• je = is
• na stolu = on the table
• pored ulaznice = next to the ticket
• za predstavu = for the performance/show/play

So the sentence builds step by step:

• The map is
• on the table
• next to the ticket
• for the performance

That chunking method makes longer Serbian sentences much easier to understand.