and also some travel agencies. Many tourists start sightseeing there. Farther from the Danube Parliament building The Parliament building is the largest one in Hungary and serves as the center of the Hungarian lawmaking. Szabadság Square Szabadság Square is in the center of the town surrounded by monuments and historic buildings. Opera House Hungarian State Opera House is one of the most precious historic buildings of the town hosting the Hungarian State Opera. Ballet Institute The building was the host of the Hungarian ballet. Monuments in Buda Várhegy (with Buda Castle) Várhegy contains the Buda Castle and a lot of historic buildings around it. Transport The three Budapest Metro lines converge at Ferenc Deák Square where the Blue and Red lines meet the Millennium Underground Railway (yellow). There are several bus, tram and trolleybus lines in this area. See also List of districts in Budapest References External links Attractions of Budapest: 1, 2, 3 The Inner City of Budapest (Budapest Pages) Erzébetváros and the Jewish quarter of Pest Belváros-Lipótváros Neighbourhoods of Budapest