The capital city of South Korea is Seoul. As one of the largest cities in the world, Seoul is a vibrant metropolis known for its rich history, modern architecture, and cutting-edge technology. It serves as the cultural, political, and economic center of South Korea. The city boasts a blend of traditional sites, like palaces and temples, alongside futuristic skyscrapers and bustling district markets. Seoul's efficient public transport system, diverse cuisine, and thriving entertainment industry contribute to its status as an international hub for tourism and commerce.