Doha is the capital city of the state of Qatar. Located on 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 80% 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.