Hop between ancient palaces and K-Pop sensations, from serene spas to neon nights, with this guide to the top activities for a visit to ultramodern Seoul . The Official Website of Seoul . You can view a wealth of information about the city, including the main policies, history, culture, tourism, metropolitan experience, medical welfare, transportation, etc., along with an overall introduction to the city such as Seoul -related videos, photos, and map. The Seoul Guide is a free online travel guide for visitors planning a trip to Seoul , the historic, cutting edge, and fast-paced capital city of South Korea. Seoul is the seat of the South Korean government. Seoul 's history traces back to 18 BC when it was founded by the people of Baekje, one of the Three Kingdoms of Korea. During the Joseon dynasty, Seoul was officially designated as the capital, surrounded by the Fortress Wall of Seoul .