Abba is one of the communities in the present-day Njikoka Local Government Area of Anambra State, Nigeria. The Njikoka Local Government Council, with its headquarters at Abagana is made up of six autonomous communities, namely: Abba, Abagana, Nimo, on one part as Umuowelle clan, and Enugwu-Ukwu, Enugwu-Agidi and Nawfia on the other part representing UmuNri clan. As the Umuowelle clan belongs to constituency II in the present-day Anambra State House of Assembly delineation, the Umu-Nri clan forms the constituency I. Abba lies on the 60 11′ N latitude, 60 55′ E longitude of the old Enugu/Onitsha trunk ‘A’ road through the local government headquarters, Abagana.
The Enugu-Onitsha dual carriage interstate road bifurcates the community into the ancestral home (part of which form the present-day farmstead) and the present-day homestead of the town.