Czechoslovakia (Czech and Slovak: Československo, Česko-Slovensko; also written or Czecho-Slovakia) was a sovereign state in Central Europe. The country is bordered by Germany to the west, north-west and south, Hungary to the south, Romania to the south-east, Ukraine to the east and Poland to the north-east. Prague is the capital city, with 1.3 million residents. Czechoslovakia includes the historical territories of Bohemia, Moravia, Czech Silesia, Slovakia and Subcarpathian Ruthenia.