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is a village in Ottawa County, Ohio, United States. The population was 2,841 at the 2000 census.
According to the United States Census Bureau, the village has a total area of 1.5 square miles (3.8 km²), of which, 1.3 square miles (3.4 km²) of it is land and 0.1 square miles (0.4 km²) of it (9.52%) is water.
The Portage River runs through Oak Harbor on its way to Lake Erie at Port Clinton, Ohio