Obodo a dị na mpaghara Western Finland ma bụrụ akụkụ nke mpaghara Central Ostrobothnia. Obodo a nwere ọnụ ọgụgụ mmadụ 47,706 (31 Jenụwarị 2019) ma kpuchie mpaghara nke square kilomita 2,730.80 nke 1,286.61 km2 (496.76 sq mi) bụ mmiri. Ọnụ ọgụgụ ndị bi na ya bụ 33.03 ndị bi na square kilomita (85.5/sq mi). Obodo ndị agbata obi bụ Halsua, Kalajoki, Kannus, Kaustinen, Kronoby, Lestijärvi, Larsmo na Tolampiho. Ajụjụ: Ego ole n'obodo a bụ mmiri?
1,286.61 km2 (496.76 sq mi)