Basel is Switzerland's third most populous city with about 166,000 inhabitants.Basel is among the most important cultural centres of Switzerland. The city comprises a large number of theatres and many museums, including the Museum of Fine Arts, the world's oldest art collection accessible to the public. In addition the Theater Basel was chosen in 1999 as the best stage for German-language performances and in 2009 & 2010 as "Opera of the Year" by German Opera Magazine "Opernwelt