Ravno is a town and seat of its municipality in southern Bosnia and Herzegovina. It is located in the Herzegovina-Neretva Canton of the Federation of Bosnia and Herzegovina entity. Ravno was a separate county until 1963, when it became a part of the Trebinje municipality. In 1994, the border changed and Ravno became a municipality again. This time however, part of the frontier lands of Trebinje municipality were added as part of Ravno. When Ravno inherited part of the former Trebinje municipality it had an area of 447 km² (173 sq mi).