Halvan, South Khorasan

Halvan is a village in, and the capital of, Pir Hajat Rural District of the Central District of Tabas County, South Khorasan province, Iran.

Population
At the time of the 2006 National Census, the village's population was 569 in 204 households, when it was in Yazd province. The following census in 2011 counted 385 people in 134 households. The 2016 census measured the population of the village as 418 people in 138 households, by which time the county had been separated from the province and become a part of South Khorasan province. It was the most populous village in its rural district.