Center for Integrated Earth System Information (CIESIN), Columbia UniversityThe GRID3 NGA - Operational Wards v2.0 dataset contains operational ward boundaries for the following states in Nigeria: Adamawa, Bauchi, Bayelsa, Borno, Delta, Gombe, Jigawa, Kano, Katsina, Kwara, Niger, Ogun, Osun, Oyo, Yobe. This dataset is considered operational and has not been fully validated by government officials. Dataset citation: Center for Integrated Earth System Information (CIESIN), Columbia University 2026. GRID3 NGA - Operational Wards v2.0. New York: GRID3. [URL]. Accessed [DAY MONTH YEAR]. Contacts and data queries The authors of this dataset appreciate feedback regarding the data, including suggestions, discovery of errors, difficulties in using the data, and format preferences. For dataset-related questions, please send an email to: info@ciesin.columbia.edugrid3-nga-operational-wards-v2-0Humanitarian Data ExchangePublicGRID3 NGA - Operational Wards v2.0DatasetsNigeria2013-01-01 to 2025-12-31