Incheon is a city located in northwestern South Korea, bordering Seoul and Gyeonggi Province to the east. Inhabited since the Neolithic, Incheon was home to just 4,700 people when it became an international port in 1883. As of February 2020, about 3 million people live in the city, making it South Korea's third-most-populous city after Seoul and Busan.
Summary from Wikipedia.
