Seoul is the capital and largest metropolis of South Korea, with more than 25 million residents in its metropolitan area. Strategically situated on the Han River, Seoul’s history can be traced back more than 2,000 years to 18 BC, when it was founded by members of the Baekje Kingdom. In recent years, the city has experienced massive economic growth and is one of the top 10 wealthiest cities in the world with a GDP of more than $700 billion (USD)