Kladno (Czech pronunciation: [ˈkladno]; German: Kladen) is the biggest city in the Central Bohemian Region (Středočeský kraj) of the Czech Republic. It is located 25 kilometres (16 miles) northwest of the capital city Prague. Kladno is the largest city of the region and holds a population together with its adjacent suburban areas of more than 110,000 people (nearly 70,000 in Kladno proper). The city is part of the Prague metropolitan area, which has a population of nearly 2,200,000 people (making it the most populous in the Czech Republic).
The Kladno District (Okres Kladno in Czech) is a district (okres) within the Central Bohemian Region (Středočeský kraj) of the Czech Republic. The capital of the district is the city of Kladno.