 The major town in Dimma is Dimma.Originally part of Gog woreda, at some point between the 1994 national census and the 2001 "Sample Agricultural Enumeration", Dimma was split from Gog.At first Dimma, along with Gog and Jor woredas, were part of the Administrative Zone 2; however between 2001 and 2007 the Zone was reorganized and Gog became part of the Anuak Zone.