from Wikipedia Prague:
Prague (IPA: /ˈprɑːg/, Czech: Praha (IPA: [ˈpraɦa]), see also other names), is the capital and largest city of the Czech Republic. Its official name is Hlavní město Praha, meaning Prague - the Capital City.
Situated on the River Vltava in central Bohemia, Prague has been the political, cultural, and economic centre of the Czech state for over 1100 years. The city proper is home to more than 1.2 million people, while its metropolitan area is estimated to have a population of over 1.9 million.
Prague is widely considered to be one of the most beautiful cities in Europe and is among the most visited cities on the continent. Since 1992, the extensive historic centre of Prague has been included in the UNESCO list of World Heritage Sites. According to Guinness World Records, Prague Castle is the largest ancient castle in the world. Nicknames for Prague have included "the mother of cities" (Praga mater urbium, or "Praha matka měst" in Czech)", "city of a hundred spires" and "the golden city".