Regarded as one of the most beautiful cities in Europe, its extensive World Heritage Site includes the banks of the Danube, the Buda Castle District, 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, the second largest synagogue, and third largest Parliament building.
Considered an important hub in Central Europe, the city ranked as the most liveable Central/Eastern European city on EIU's quality of life index (in 2019). It is also ranked as the 16th most beautiful city of the world by Flight Network and attracts about 4.6 million tourists a year.