Pusan is the second largest city in South Korea, with a population of 3.5 million people. Located in the nation’s southeast corner by the Sea of Japan, Pusan serves as one of the country’s major transportation hubs, with Pusan International Airport, two large ports, and an extensive subway system. One of its most popular attractions is Gwangalli Beach, which features stunning views of the city’s skyline and Gwangandaegyo Bridge.