Peyvand-e Sofla  Peyvand-e Sofla (, also Romanized as Peyvand-e Soflá; also known as Kalāteh-ye Peyvand, and Peyvand-e Pā’īn) is a village in Mud Rural District, Mud District, Sarbisheh County, South Khorasan Province, Iran. At the 2006 census, its existence was noted, but its population was not reported.