DarahSof was a district in Samangan Province, northern Afghanistan. Until 2005, the district was dissolved and it is now split into 2 new districts surrounding the now, former bigger Darah Sof district:
Map of Dara-I-Suf, Afghanistan
References: "Dara-I-Suf District, Samangan Video | Tourism and Events." OVGuide. N.p., n.d. Web. 10 June 2013.
References
Dara-I-Suf District, Samangan Wikipedia(Text) CC BY-SA