The Korean Strait is a body of water located between the Korean Peninsula and the Japanese islands of Honshu and Shikoku. It connects the Yellow Sea to the Sea of Japan, playing a crucial role in maritime navigation and trade in the region. The strait is approximately 200 kilometers long and varies in width, with its narrowest point being around 50 kilometers. This strait is significant for its rich marine biodiversity and fishing grounds, supporting local economies. It also serves as a strategic route for naval and commercial vessels, making it an important area for both South Korea and Japan.