It covers about 89.2 square kilometres,[3]: 13  on the bank of Njaba River and lies in tropical rain forest, with hot and rainy seasons.

According to Rich Piazza, a volunteer with the Peace Corps in Awo-omamma, a four-day torrential downpour typifies the extreme of the rainy season in the town.

[10]: 549 Awo-Omamma is predominantly Roman Chatholics, and a sizable percentage of the population are Anglicans, and CMS (Church Missionary Society of British).

[15][16] By end of Q4 of 2008, Addax Petroleum Corporation announced it was set to expand its Operations in Njaba River area through its new oil discovery in Awo-Omamma.

[1][17] The new discovery in the company's OML124 license area[1][18]: 20  on the northeast edge of the Niger Delta contains undeveloped Njaba 2 well and other exploratory prospects onshore Nigeria.

[22] The crude oil discovery is set to boost development of Awo-Omamma, Njaba River basin, Imo and Nigeria.

[23]: 9 These farmers and residents experience economic constraints due to unreliable electricity and undeveloped inter-village and inter-town roads.

[23]: 7 [24] The United Nations Declaration on the Rights of Indigenous Peoples (UNDRIP) was adopted by the General Assembly on Thursday, 13 September 2007.

[3]: 59 On 9 December 1968, Awo-omamma Community Hospital (ACH) then under the control of International Committee of the Red Cross (ICRC) was attacked from the air.

[28] As of 11 August 1969, the Unitarian Universalist Service Committee (UUSC) sent $50,000 for emergency relief and program expenses to Awo-Omamma for Biafrans.

[29] As highlighted in African Studies review at Cambridge, Biafran refugees and patients were also abandoned at Santana Primary School, Awo-omamma.

[32] One of the notable personalities the town has produced is a climate advocate and the President of Sustainable Leadership Network - Morgan Orioha, born on 2 July 1981 in Umuezukwe, Oru East Local Government Area of Imo State.