Zagrebu
Zagrebu is the locative (and dative) singular form of Zagreb, the capital and largest city of Croatia. It is used in several South Slavic languages, notably Croatian, Serbian, and Bosnian, as part of the standard noun inflection system that marks case and function in a sentence.
In these languages, the base toponym Zagreb is declined through standard cases. The singular forms are: nom
Usage notes: Zagrebu is a grammatical form rather than a separate place name. It is widely encountered
See also: Zagreb (the city itself). The term Zagrebu should be understood as a case form of