Umuahia South bụ Local Government Area na Abia State, Nigeria. Isi ụlọ ọrụ ya dị na Apumiri na Ubakala. . O nwere mpaghara 140 km2 yana ọnụ ọgụgụ mmadụ 138,570 na ngụkọ 2006.. Koodu nzipu ozi nke mpaghara ahụ bụ 440. Post Offices- with map of LGA. NIPOST. Archived from the original on 2009-10-07. Retrieved on 2009-10-20.