Japan, Sea of, separates the islands of Japan from Korea and the eastern coast of Russia. The Sea of Japan is also known as the East Sea. The southern end of the sea is connected to the East China Sea by the Korea Strait. The northern end of the sea is connected to the Pacific Ocean by Tsugaru Strait, and to the Sea of Okhotsk by La Perouse Strait and Sakhalin Strait. The Sea of Japan covers about 400,000 square miles (1,000,000 square kilometers).
