Myanmar or Burma, officially the Republic of the Union of Myanmar, is a country in Southeast Asia. Myanmar is bordered by Bangladesh and India to its northwest, China to its northeast, Laos and Thailand to its east and southeast, and the Andaman Sea and the Bay of Bengal to its south and southwest. Myanmar is the largest country in Mainland Southeast Asia and the 10th largest in Asia by area. As of 2017, the population was about 54 million. Its capital city is Naypyidaw, and its largest city is Yangon (Rangoon).