The Kuril Islands are a volcanic archipelago part of Sakhalin Oblast in the Russian Far East. It stretches approximately 1,300 km northeast from Hokkaido in Japan to Kamchatka Peninsula in Russia separating the Sea of Okhotsk from the north Pacific Ocean. There are 56 islands and many minor rocks. The Kuril Islands consist of the Greater Kuril Chain and the Lesser Kuril Chain. They cover an area of around 10,503.2 square kilometres, with a population of roughly 20,000.