Taj ol Din (Persian: تاج الدين)[a] is a village in Takab Rural District of the Central District of Dargaz County, Razavi Khorasan province, Iran.

At the time of the 2006 National Census, the village's population was 1,083 in 305 households.

[5] The 2016 census measured the population of the village as 1,084 people in 366 households.

It was the most populous village in its rural district.

This Dargaz County location article is a stub.