They are said to have come from Tibet, speak the Tibeto-Burman language and live in the Himalayan region of Nepal. They are hardworking, friendly and reliable. The largest Sherpa settlements are in Solukhumbu at the foothill of Mt. Everest. The Sherpas are known for adventurous mountaineers of international repute. The Sherpa name is synonymous with mountaineering and trekking. Potatoes are said to be introduced in the late 19th century and are now the main Sherpa crop. Sherpas are probably the best known Nepali ethnic group.