Changwon is the capital city of Gyeongsangnam-do, South Korea. Changwon is the 8th most populated city in South Korea, with an established population of 1,089,039 people in 2010. It encompasses a land area of 747.12 square kilometres (288.46 sq mi) on the southeastern coast of South Korea. The population of southeastern Korea, including the city of Busan, is more than 6,478,000. Changwon is known as a heavy industrial city.