Allen County, Ohio
| Inception | 1 Gwakusatu(Mugulansigo) 1831  |
|---|---|
| Native label | Allen County |
| Named after | Ethan Allen |
| Egwanga | Amereka |
| Capital | Lima |
| Located in the administrative territorial entity | Ohio |
| Located in the statistical territorial entity | Lima, OH Metropolitan Statistical Area |
| Coordinate location | 40°46′0″N 84°7′0″W |
| Authority | government of Allen County |
| Contains the administrative territorial entity | Lima |
| Shares border with | Putnam County, Hancock County, Hardin County, Auglaize County, Van Wert County |
| Coextensive with | Lima, OH Metropolitan Statistical Area |
| Official website | http://www.co.allen.oh.us |
| List of monuments | National Register of Historic Places listings in Allen County, Ohio |
| Vehicle registration plate code | 02 |
| Category for maps or plans | Category:Maps of Allen County, Ohio |
Allen County, Ohio ye ssaza erisangibwa mu ssaza ly’e Ohio mu nsi ya United States of America.
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