Bosanska Otoka or just Otoka is a village on the river Una in Bosnia and Herzegovina. It is part of the Bosanska Krupa municipality of Una-Sana Canton, in the Federation of Bosnia and Herzegovina. It was once known as Otok, the local word for island. Before the Bosnian War, the entire town was part of the Bosanska Krupa municipality, but after the Dayton Pe…Bosanska Otoka or just Otoka is a village on the river Una in Bosnia and Herzegovina. It is part of the Bosanska Krupa municipality of Una-Sana Canton, in the Federation of Bosnia and Herzegovina. It was once known as Otok, the local word for island. Before the Bosnian War, the entire town was part of the Bosanska Krupa municipality, but after the Dayton Peace Agreement one part of the inhabited area of Otoka became a part of municipality Krupa na Uni, divided by the Inter-Entity Boundary Line.