Idem u centar, u centru sam: the preposition is half the story, the ending is the rest

Explaining the way means stacking six prepositions in a row, and each demands its own form. English here bends nothing — "in the city" and "to the city" keep city flat — so every bend below is a habit to build. Three spots need attention. For example: “Идем у центар, а у центру ћу бити до пет” — I am going to the center, and I will be in the center until five. A rule from the Serbian course: worked out on examples…

Updated September 1, 2026 · Lingofly

How it works

Explaining the way means stacking six prepositions in a row, and each demands its own form. English here bends nothing — "in the city" and "to the city" keep city flat — so every bend below is a habit to build. Three spots need attention.

First: u and na take two endings. With the object form — motion; with the at-form — location. Idem u centar — into the center, but u centru sam — I am in the center. Idem na pijacu, but bio sam na pijaci. English splits the pair as "to school" vs "at school"; Serbian keeps the preposition and moves the bend inside the word.

Second: choosing u or na is dictionary work, not logic. Serbian says na fakultetu, na pijaci, na poslu, na selu, na aerodromu, but u školi, u gradu, u prodavnici, u kući. English guesses misfire — you go "to university" but "on campus" — and Serbian has its own list; memorize the pairs with the nouns.

Third, and the workhorse: almost all place prepositions demand the of-form. Do (up to), kod (at, by), pored (next to), iza (behind), ispred (in front of), preko puta (across from), duž (along), blizu (near), oko (around). All of them give the same shape: kod banke, iza zgrade, preko puta škole. One form is cheaper than nine prepositions.

The "toward" direction — the to-case, but it lives in books: ka centru, prema reci. In speech you will hear idem u centar or idem prema centru.

And transport: what you ride — the with-form, no preposition. Idem autobusom — I go by bus, putujem vozom, došli smo kolima. The preposition sa is not needed here and changes the meaning: idem sa drugom — with a friend, idem autobusom — by bus. English draws the same line between "with a friend" and "by bus". Walking escapes the system altogether: peške — on foot, an adverb.

Table

Idem u centar, u centru sam: the preposition is half the story, the ending is the rest
the phrasethe caseexamplein English
u + object formto whereidem u gradI am going to town
u + at-formwhere atživim u graduI live in town
na + object formto whereidem na pijacuI am going to the market
na + at-formwhere atbio sam na pijaciI was at the market
do, kod, pored, izathe of-formkod bankeby the bank
preko puta, duž, blizuthe of-formpreko puta školeacross from the school
ka, premathe to-caseidem prema centruI am heading downtown
no prepositionthe with-formidem autobusomI go by bus

By example

  • Идем у центар, а у центру ћу бити до пет
    Idem u centar, a u centru ću biti do pet
    I am going to the center, and I will be in the center until five
  • До поште се иде право, па код семафора лево
    Do pošte se ide pravo, pa kod semafora levo
    To the post office go straight, then left at the traffic light
  • На посао идем аутобусом, а враћам се пешке
    Na posao idem autobusom, a vraćam se peške
    I take the bus to work and walk back

How the rule settles in your head

A rule is not memorized from an explanation. It is memorized from an attempt to use it and a mistake — that is why the app delivers it mixed in with words, not as a separate lesson: it resurfaces exactly where you forgot it.

Frequently asked

Idem u centar or u centru sam?

Explaining the way means stacking six prepositions in a row, and each demands its own form. English here bends nothing — "in the city" and "to the city" keep city flat — so every bend below is a habit to build. Three spots need attention.

U or na: how to say at the university in Serbian?

First: u and na take two endings. With the object form — motion; with the at-form — location. Idem u centar — into the center, but u centru sam — I am in the center. Idem na pijacu, but bio sam na pijaci. English splits the pair as "to school" vs "at school"; Serbian keeps the preposition and moves…

Which case after kod, pored and iza?

Second: choosing u or na is dictionary work, not logic. Serbian says na fakultetu, na pijaci, na poslu, na selu, na aerodromu, but u školi, u gradu, u prodavnici, u kući. English guesses misfire — you go "to university" but "on campus" — and Serbian has its own list; memorize the pairs with the…

How to say I go by bus in Serbian?

Third, and the workhorse: almost all place prepositions demand the of-form. Do (up to), kod (at, by), pored (next to), iza (behind), ispred (in front of), preko puta (across from), duž (along), blizu (near), oko (around). All of them give the same shape: kod banke, iza zgrade, preko puta škole. One…

What does it look like in an example sentence Serbian?

“Идем у центар, а у центру ћу бити до пет” (Idem u centar, a u centru ću biti do pet) — I am going to the center, and I will be in the center until five. A rule is easier to test on sentences like this than to memorize as a wording: what surfaces in conversation is the sentence.

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