Zone: South East | Borders: Imo, Anambra, Ebonyi, Cross River, Akwa Ibom, Rivers
Abia State · Sub-category
Geography & Borders
Methodology
Tier 1 · primary
Courts. Gazettes. National archives.
Tier 2 · corroborating
OCCRP. HRW. BudgIT. TheCable.
Tier 4 · tertiary, flagged
Wikipedia only where primary is pending. Always labelled.