Abia State is a state in the South-East geopolitical zone of Nigeria, it is bordered to the northwest by Anambra State and northeast by the states of Enugu, and Ebonyi, Imo State to the west, Cross River State to the east, Akwa Ibom State to the southeast, and Rivers State to the south. Abia is the only Southeastern state that has boundaries with the other four Southeastern states in Nigeria. It takes its name from the acronym for four of the state's most populated regions: Aba, Bende, Isuikwuato, and Afikpo. The state capital is Umuahia while the largest city and commercial centre is Aba.

Igbo is the principal native language cluster of the Igbo people, an ethnicity in the Southeastern part of Nigeria.