Questions & Answers about Njena adresa je u mojoj ulici, blizu škole.
Why is it mojoj ulici and not moja ulica?
Because after the preposition u meaning in, Serbian normally uses the locative case for location.
- moja ulica = my street in the dictionary/basic form
- u mojoj ulici = in my street / on my street
Both words change because the noun phrase has to agree in case:
- moja → mojoj
- ulica → ulici
So u mojoj ulici is the correct locative form.
Why does ulica become ulici?
Ulica is a feminine noun, and in the locative singular it changes to ulici.
This is a very common pattern for feminine nouns ending in -a:
- škola → u školi
- soba → u sobi
- ulica → u ulici
Since the sentence is talking about location, u requires the locative here, so ulica becomes ulici.
Why is it blizu škole and not blizu školi?
Because blizu is followed by the , not the locative.