Shah Rag (Persian: شاهرگ)[a] is a village in Dowlatkhaneh Rural District of Bajgiran District, Quchan County, Razavi Khorasan province, Iran.

At the time of the 2006 National Census, the village's population was 747 in 202 households.

[5] The 2016 census measured the population of the village as 788 people in 250 households.

It was the most populous village in its rural district.

This Quchan County location article is a stub.