The Japanese archipelago is made up of four main islands: Okinawa, Hokkaido, Honshu, and Kyushu. Okinawa is the southernmost island and is known for its tropical climate and beautiful beaches. Hokkaido is the northernmost island and is known for its rugged terrain and ski resorts. Honshu is the largest and most populous island and is home to the country's capital, Tokyo. Kyushu is the third largest island and is known for its hot springs and active volcanoes. Iwo Jima is a small volcanic island located south of Tokyo and is famous for the Battle of Iwo Jima during World War II.