Which sovereign state located in Southeastern Europe has The Mesteacănu River in it.
Mesteacănu River (Lotru) The Mesteacănu River is a tributary of the Lotru River in Romania.
List of World Heritage Sites in Southern Europe The UNESCO (United Nations Educational, Scientific and Cultural Organization) has designated 168 World Heritage Sites in all of the 17 sovereign countries (also called "state parties") of Southern Europe: Albania, Andorra, Bosnia and Herzegovina, Bulgaria, Croatia, Cyprus, Greece, Italy, Macedonia, Malta, Montenegro, Portugal, San Marino, Serbia, Slovenia, Spain, Turkey, and Vatican City as well as one site in the British overseas territory of Gibraltar.