Sarayan County (Persian: شهرستان سرایان) is in South Khorasan province, Iran.

[3] Sarayan is in the north central part of the province.

[4][5] At the time of the 2006 National Census, the county's population was 34,636 in 9,140 households.

[2] Sarayan County's population history and administrative structure over three consecutive censuses are shown in the following table.

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