Strbacki buk () waterfall is a 25 m high waterfall on the Una River (296 m altitude). It is situated in Croatia and Bosnia and Herzegovina (Una-Sana Canton, city Bihać, settlement Doljani and Celije). It is part of Bosnian and Herzegovinian „Una National Park“. References External links 5 Must-see Waterfalls in Bosnia. Landforms of Croatia Waterfalls of Bosnia and Herzegovina