Nepal is a landlocked central Himalayan country in South Asia. It is divided into 7 provinces and 75 districts and 744 local units including 4 metropolises, 13 sub-metropolises, 246 municipal councils and 481 villages. Tourism is the largest industry in Nepal and its largest source of foreign exchange and revenue. Possessing eight of the ten highest mountains in the world, Nepal is a hotspot destination for mountaineers, rock climbers and people seeking adventure. The Hindu and Buddhist heritage of Nepal and its cool weather are also strong attractions. Mount Everest, the highest mountain peak in the world, is located in Nepal. Mountaineering and other types of adventure tourism and ecotourism are important attractions for visitors. The world heritage site Lumbini, birthplace of Gautama Buddha, is located in the south of the West region of Nepal (which despite the name is located in the centre of the country) and there are other important religious pilgrimage sites throughout the country.