Zahr
 Zahr (Persian: ظهر‎ also Romanized as Z̧ahr and Z̧ehr; also known as Kalāteh-ye Z̧ahr and Kalāteh-ye Z̧ehr) is a village in Borun Rural District in the Central District of Ferdows County South Khorasan Province Iran. At the 2006 census its population was 57 in 27 families.