Kalateh-ye Shir (, also Romanized as KalÃÂteh-ye Shër; also known as KalÃÂt-e Shër, KalÃÂteh-ye Shër, KalÃÂt-e Shir, Estakhr-e DerÃÂz, Shër, and Shër-e BÃÂlÃÂ) is a village in Doreh Rural District, in the Central District of Sarbisheh County, South Khorasan Province, Iran. At the 2006 census, its population was 97, in 26 families.