Kalateh-ye Sadu

Kalateh-ye Sadu (, also Romanized as Kalāteh-ye Şādū, Kalāteh-ye Sādū, and Kalāteh-ye Sādow) is a village in Radkan Rural District, in the Central District of Chenaran County, Razavi Khorasan Province, Iran. At the 2006 census, its population was 98, in 26 families.