The term "Hercegovac" does not correspond to a recognized settlement, administrative region, or geographical location in Croatia according to available reliable sources. Accurate information is not confirmed regarding its status as a place, historical site, or cultural entity within Croatia.
It is possible that "Hercegovac" is derived from the ethnonym "Hercegovac" (plural: Hercegovci), a term historically used in the South Slavic languages to refer to a male inhabitant of Herzegovina, a region currently divided between Bosnia and Herzegovina and, to a lesser extent, Croatia. However, its use in reference to a specific location in Croatia is not documented in authoritative geographic or governmental sources.
Due to the lack of verifiable references, "Hercegovac, Croatia" is not widely recognized as an established toponym or cultural designation within Croatia.