Torbat-e Heydarieh County is a
county in
Razavi Khorasan Province in
Iran. The capital of the county is
Torbat-e Heydarieh. At the 2006 census, its population (including portions of the county later split from it to form
Zave County) was 261,917, in 67,735 families; excluding such portions, the population was 195,711 in 51,917 families. The county is subdivided into four districts (
bakhsh): the
Central District,
Bayg District,
Kadkan District, and
Jolgeh Rokh District. The county has four cities:
Torbat-e Heydarieh,
Bayg,
Kadkan, and
Robat-e Sang.