Doha is the capital city of the state of Qatar. Located on the coast of the Persian Gulf, it had a population of 998,651 in 2008, and is also one of the municipalities of Qatar. Doha is Qatar's largest city, with over 60% of the nation's population residing in Doha or its surrounding suburbs, and is also the economic centre of the country.Doha also serves as the seat of government of Qatar, which is ruled by Sheikh Hamad bin Khalifa Al Thani. Doha is home to the Education City, an area devoted to research and education. Doha was the site of the first ministerial-level meeting of the Doha Development Round of World Trade Organization negotiations. The city of Doha held the 2006 Asian Games, which was the largest Asian Games ever held. Doha also hosted the 2011 Pan Arab Games and most of the games at the 2011 AFC Asian Cup. Doha will also host a large number of the venues for the 2022 FIFA World Cup. The World Petroleum Council held the 20th World Petroleum Conference in Doha in December 2011.