Hungary is subdivided administratively into 19 counties and the capital city (főváros) Budapest. The counties are further subdivided into 174 districts. The capital Budapest is subdivided into 23 districts.

Budapest is the capital and most populous city of Hungary. It is the ninth-largest city in the European Union by population within city limits and it was the largest city on the Danube river; today it is the second largest one. The city has an estimated population of 1,752,286 over a land area of about 525 square kilometres. Budapest, which is both a city and municipality, forms the centre of the Budapest metropolitan area, which has an area of 7,626 square kilometres and a population of 3,303,786. It is a primate city, constituting 33% of the population of Hungary.