Prague is the capital and largest city of the Czech Republic. It is located in the northwestern part of the country on the Vltava River, in central Bohemia, which is the western half of the Czech Republic. Prague is one of the most visited European cities, with a rich history and cultural heritage. It was the capital of the Kingdom of Bohemia and the residence of several Holy Roman Emperors. The city has a temperate oceanic climate, with relatively warm summers and chilly winters.