Fenderesk (Persian: فندرسک‎) is a district (bakhsh) in Golestan Province in northern Iran. At the 2006 census, its population was 34,326, in 8,206 families. The District has one city: Khan Bebin. The District has two rural districts (dehestan): Fenderesk-e Jonubi Rural District and Fenderesk-e Shomali Rural District. The place (Jafar Abad Namtaloo) in which Mirza Abolghasem Mirfendereski, (outstanding scientist-philosopher) (ca~ 970-1070) was born. Khan Bebin (Persian: خان به‌بین) is the district's only city.