Chah Tus (Persian: چاه طوس)[a] is a village in, and the capital of, Mahmeleh Rural District of Mahmeleh District, Khonj County, Fars province, Iran.

[4] The previous capital of the rural district was the village of Mahmeleh,[5] now a city.

[6] At the time of the 2006 National Census, the village's population was 795 in 164 households.

[8] The 2016 census measured the population of the village as 1,497 people in 404 households.

This Khonj County location article is a stub.