The highest point in this woreda is Mount Culan Sancai (2,435 meters), west of Debre Zeyit; other elevations include the Borema range, the Gum Gum mountains and the Sassie mountains in the northwest corner of the woreda.
The majority of the inhabitants said they practiced Ethiopian Orthodox Christianity, with 70.77% of the population reporting they observed this belief, while 16.84% of the population were Moslem, 7.88% practiced traditional beliefs, and 4.02% were Protestant.
[1] Based on figures from the Central Statistical Agency in 2005, this woreda has an estimated total population of 56,260, of whom 27,409 are men and 28,851 are women; 4,179 or 7.43% of the population are urban dwellers which are greater than the Zone average of 10.7%.
The five largest ethnic groups reported in Wenbera were the Shinasha (33.6%), the Oromo (33.4%), the Gumuz (27%), the Amhara (3.7%), and the Awi (1%) a subgroup of the Agaw; all other ethnic groups made up 1.3% of the population.
The majority of the inhabitants practiced Ethiopian Orthodox Christianity, with 71% of the population reporting they held that belief, while 15.4% were Muslim, and 11% observed traditional religions.