Rio is a very popular place in Budapest, located on the Buda side, not so far from Durer Kert. It is only open in the summer, but then it is a place for dancing and partying. Make sure to visit the RIO Facebook page to find out about special events, concerts, and other things going on that makes the place worth a visit during your stay in Budapest.
Budapest, Vízpart U. 1, 1117