Kupak

Kupak is a village in Nahuk Rural District of the Central District of Saravan County, Sistan and Baluchestan province, Iran.

Population
At the time of the 2006 National Census, the village's population was 1,615 in 294 households, when it was in the former Jaleq District. The following census in 2011 counted 1,040 people in 246 households. The 2016 census measured the population of the village as 1,477 people in 401 households. It was the most populous village in its rural district.

In January 2019, the rural district was separated from the district to join the Central District.