Tunxi District (simplified Chinese: 屯溪区; traditional Chinese: 屯溪區; pinyin: Túnxī qū) forms the central district of Huangshan City, Anhui Province, People's Republic of China. It has a population of 150,000 and an area of 249 square kilometres (96 sq mi).
Tunxi District has jurisdiction over four subdistricts and five towns.
The most well-known tourist spot is the Old Town, although Tunxi is also close to the Huangshan Mountain Range and Hongcun Village, both of which are World Heritage Sites.
Coordinates: 29°43′N 118°20′E / 29.717°N 118.333°E