Detailed Instructions: In this task you will be given a text passage from a trivia quiz. You should choose the category this question belongs to from these categories: History, Science, Social Science, Fine Arts, Literature. You can only choose one category, so if in doubt, please choose the closest match.
Q: This city has a six hundred year old Orloj, or astronomical clock, on its Old Town City Hall. The Ginger Rogers and Fred Astaire-inspired Dancing House was built in this city by architect Frank Gehry. A bridge in this city with 30 statues along its sides was started in 1357 and became known as the Charles Bridge. That bridge crosses the Vltava River (VOL-tah-vah) in this city. For 10 points, name this city in Eastern Europe that is both the largest in and the capital city of the Czech Republic.
A:
Social Science