Tunxi District (Chinese: 屯溪区; pinyin: Túnxī Qū) is the central district of Huangshan City, Anhui Province, eastern China.

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.

[2] Tunxi (or Tunki) is the seat of the Latin Catholic Apostolic prefecture (a pre-diocesan jurisdiction, not entitled to a Titular Bishop) of Tunxi / Tunkien(sis) (Latin adjective), which depends on the missionary Roman Congregation for the Evangelization of Peoples.

It was established on 1937.02.22 on territory split off from the then Apostolic Vicariate of Wuhu (now a Diocese).

It has been vacant indefinitely without Apostolic administrator (possibly dormant) since the death of its only incumbent: Specific