Abba is a sub-prefecture of Nana-Mambéré in the Central African Republic.

[2][3] In May 2002, Abba became the capital of the fourth sub-prefecture of Nana-Mambéré following the dismemberment of the sub-prefecture of Baboua .

[citation needed] On 19 August 2020 the rebel groups Return, Reclamation, Rehabilitation reportedly moved its headquarters there.

[4] On 5 March 2021 Abba was recaptured by government forces.

[5] The municipality has two public schools in Abo-Boguirma and Abba and four private schools in Sagani, Lamy-Bony, Camp Café and Ndoké.