Indianapolis /ˌɪndiəˈnæpɵlɨs/ is the capital and most populous city of the U.S. state of Indiana, and also the county seat of Marion County. As of the 2010 census, the city's population is 820,445. It is the 13th largest city in the United States and the 29th largest metropolitan area in the United States.Historically, Indianapolis has oriented itself around government and industry, particularly manufacturing. Over the late decades of the 20th century, the city's Unigov began a long process to revitalize the downtown area. Today, Indianapolis has a much more diversified economy, contributing to the fields of education, health care, and finance. Tourism is also a vital part of the economy of Indianapolis, with the city playing host to numerous conventions and sporting events. Of these, perhaps the most well known are the annual Indianapolis 500, Brickyard 400, and NHRA U.S. Nationals. Other major sporting events include the annual Big Ten Conference football championship and the Men's and Women's NCAA basketball tournaments. Indianapolis also hosted the Pan American Games in 1987 and Super Bowl XLVI in 2012.Both Forbes and Livability.com rank Indianapolis as one of the best downtowns in the United States citing "more than 200 retail shops, more than 35 hotels, nearly 300 restaurants and food options, movie theaters, sports venues, museums, art galleries and parks" as attractions. Greater Indianapolis has seen moderate growth among U.S. cities. The population of the metropolitan statistical area was 1,756,241 according to the 2010 Census, making it the 34th-largest in the United States. The 2010 population of the Indianapolis combined statistical area, a larger trade area, was 2,080,782, the 23rd-largest in the country. Indianapolis is considered a gamma global city by the Globalization and World Cities Research Network. In 2013, the city won Sister Cities International's 2013 Best Overall Program award for jurisdictions of population 500,000 and above.