Kozu-jima is a small volcanic island located in the Izu Islands of Japan. It is part of Tokyo Metropolis and lies approximately 150 kilometers south of the main island of Honshu. The island is known for its rugged terrain, beautiful coastlines, and rich marine life, making it a popular destination for nature lovers and outdoor activities. The island has a population of around 200 residents, primarily engaged in fishing and tourism. Kozu-jima features several hiking trails and scenic viewpoints, offering visitors a chance to explore its natural beauty. The island is also home to unique flora and fauna, contributing to its ecological significance.