Jeju Volcanic Island and lava tubes are located off the coast of South Korea. They are in Jeju Province. Jeju has Mount Halla, a shield volcano located over a volcanic hotspot with many parasitic volcanoes, called oreums, around it. According to UNESCO, the Geomunoreum lava caves are "the finest lava tube system of caves anywhere." UNESCO named Jeju Volcanic Island a Biosphere Reserve in 2002, a UNESCO World Heritage Site in 2007, and a Global Geopark in 2010. It is the only island in the world with three UNESCO designations.