Regentog

Regentog is a village in, and the capital of, Birk Rural District of Birk District, Mehrestan County, Sistan and Baluchestan province, Iran.

Population
At the time of the 2006 National Census, the village's population was 470 in 101 households, when it was in the former Zaboli District of Saravan County. The following census in 2011 counted 492 people in 117 households, by which time the district had been separated from the county in the establishment of Zaboli County (later renamed Mehrestan County). The 2016 census measured the population of the village as 348 people in 86 households.

After the census, the rural district was separated from the Central District in the establishment of Birk District, which was divided into two rural districts including the new Birk-e Sharqi Rural District.