Budapest is the capital of Hungary. 

Cited as one of the most beautiful cities in Europe,its extensive World Heritage Site includes the banks of the Danube, the Buda Castle Quarter, Andrássy Avenue, Heroes' Square and the Millennium Underground Railway, the second oldest in the world.Other highlights include a total of 80 geothermal springs,the world's largest thermal water cave system,second largest synagogue, and third largest Parliament building. The city attracts about 2.3 million tourists a year.