Prozor is a settlement (

naselje The territory of Croatia is divided by the Croatian Bureau of Statistics into small settlements, in Croatian ''naselje'' (singular, pl. ''naselja''). They indicate existing or former human settlement (similar to the United States census designated ...

) in the valley of river

Gacka Gacka is a river located in the Lika region in central Croatia. Because for a large part of its course it is a subterranean river, estimates on its length vary. The overground part has undergone substantial human intervention - before it was long; ...

Croatia , image_flag = Flag of Croatia.svg , image_coat = Coat of arms of Croatia.svg , anthem = "Lijepa naša domovino"("Our Beautiful Homeland") , image_map = , map_caption = , capit ...

, just south of

Otočac Otočac () is a town in Croatia, former bishopric and present Latin Catholic titular see. It lies in the northwestern part of Lika region, in the Gacka river valley. The population of the administrative area of the Town of Otočac was 9,778 in 2 ...

and a part of the Town of Otočac municipality. It is the site of the ancient Iapodic and

Roman Roman or Romans most often refers to: *Rome, the capital city of Italy *Ancient Rome, Roman civilization from 8th century BC to 5th century AD * Roman people, the people of ancient Rome *'' Epistle to the Romans'', shortened to ''Romans'', a lett ...

settlement of ''Arupium''.http://www.enciklopedija.hr/natuknica.aspx?ID=50817

References

Populated places in Lika-Senj County {{LikaSenj-geo-stub