The 韓國海峡 (Korean Strait) is a body of water located between the Korean Peninsula and the Japanese islands of Tsushima and Kyushu. It connects the Yellow Sea to the Sea of Japan, playing a crucial role in maritime navigation and trade in the region. This strait is approximately 200 kilometers long and varies in width, with its narrowest point being around 50 kilometers. The waters are known for their rich marine biodiversity, supporting various fish species and other marine life, making it an important area for both fishing and ecological studies.