found: Abia State (Nigeria). Civil Service Commission. Annual report, 1991:cover (Abia State of Nigeria) p. 11 (the state was created on 27th Aug. 1991, formerly part of Imo State)
found: Africa south of the Sahara, 1993:Nigeria section (Abia; capital: Umuahia)
found: Foreign names information bulletin, Jan. 30, 2000(former name: Abia [short form] State--ADM1, 5°30ʹN 7°35ʹE (NI34); new name: Abia [short form] State--ADM1, 5°25ʹN 7°30ʹE (NI45))
found: Statesman's yearbook, 2000:p. 1208 (in 1996, Ebonyi State was created by merging parts of Abia and Enugu)
found: GeoNames, algorithmically matched, 2009(adm1; 05°25ʹ00ʺN 007°30ʹ00ʺE)