Patna /ˈpætnə, ˈpʌt-/ is the capital and largest city of the state of Bihar in India. Patna is the second-largest city in eastern India after Kolkata. It had an estimated population of 1.68 million in 2011, making it the 19th largest city in India. With over 2 million people, its urban agglomeration is the 18th largest in India. Patna also serves as the seat of Patna High Court.