Budapest is in Europe.
Budapest ( [ ˈbudɒpɛʃt ] ) is the capital and most populous city of Hungary and one of the largest cities in the European Union . Budapest is a leading R&D and financial centre in Central and Eastern Europe , the city has a gross metropolitan product more than $ 100 billion in 2015 , thereby the city is among the Top 100 GDP performing cities in the world It is the highest ranked Central and Eastern European city on Innovation Cities Top 100 index . Budapest attracts 4.4 million international tourists per year , making it the 25th most popular city in the world and the 6th in Europe .