The Korean K League is the top professional football league in South Korea, established in 1983. It consists of two divisions: the K League 1 and the K League 2. The league features clubs from various cities, competing for the championship title each season. The K League operates on a promotion and relegation system, where the bottom teams in K League 1 are relegated to K League 2, while the top teams from K League 2 are promoted. The league has gained popularity both domestically and internationally, showcasing local talent and attracting foreign players.