Krupa na Uni (Serbian Cyrillic: Крупа на Уни) is a municipality in Republika Srpska, Bosnia and Herzegovina. It is situated in the northwestern part of Republika Srpska and the central part of the Bosanska Krajina region. The seat of the municipality is the village of Donji Dubovik.
It was created in 1995, formerly being a part of the pre-war municipality of Bosanska Krupa (the other part of the pre-war municipality that is now in the entity of the Federation of Bosnia and Herzegovina). As of 2019, it is one of the smallest municipalities by the number of inhabitants in Republika Srpska.[1]
It is located between the municipality of Bosanska Krupa to the south and west, the municipality of Novi Grad to the north, and the municipality of Oštra Luka to the east.