Doha is the capital and largest city, and main financial hub of Qatar. Located on the Persian Gulf coast in the east of the country, north of Al Wakrah and south of Al Khor and Lusail, it is home to most of the country's population. It is also Qatar's fastest growing city and over 80% of the nation's population live in Doha or its surrounding suburbs, which are known collectively as the Doha Metropolitan Area.
Summary from Wikipedia.