Which sovereign state located in Southeastern Europe has The Mesteacănu River in it.
Romania Romania ( ; Romanian: "România" ) is a sovereign state located in Southeastern Europe. It borders the Black Sea, Bulgaria, Ukraine, Hungary, Serbia, and Moldova. It has an area of 238397 km2 and a temperate-continental climate. With almost 20 million inhabitants, the country is the seventh most populous member state of the European Union. Its capital and largest city, Bucharest, is the sixth-largest city in the EU, with 1,883,425 inhabitants as of 2011.
Carpathian Ruthenia Carpathian Ruthenia, Carpatho-Ukraine, or Zakarpattia (Rusyn and Ukrainian: Карпатська Русь , "Karpats'ka Rus' " , or Rusyn and Ukrainian: Закарпаття , "Zakarpattja " ; Slovak and ; Hungarian: "Kárpátalja" ; Romanian: "Transcarpatia" ; Polish: "Zakarpacie" ; German: "Karpatenukraine" ) is a historic region in the border between Central and Eastern Europe, mostly located in western Ukraine's Zakarpattia Oblast, with smaller parts in easternmost Slovakia (largely in Prešov Region and Košice Region) and Poland's Lemkovyna. Before World War I most of this region was part of the Habsburg Kingdom of Hungary. In the interwar period, it was part of the First and Second Czechoslovak Republic. During World War II, the region was annexed by the Kingdom of Hungary once again. After the war, it became part of Soviet Ukraine.