The Korean Strait is a narrow sea passage that separates the Korean Peninsula from the Japanese Archipelago. Synonyms for the Korean Strait include the Tsushima Strait, the Korea Strait, and the Strait of Korea. The Tsushima Strait is named after an island located between Japan and Korea, while the Korea Strait is more commonly used to describe the passage. Additionally, the Strait of Korea refers to the waterway that connects the Yellow Sea and the Sea of Japan. These synonyms are often used interchangeably, but each has a unique history and association with the region. Regardless of which term is used, the Korean Strait remains an important geopolitical area due to its strategic location between Japan and Korea.