Batavia is a village in and the county seat of Clermont County, Ohio, United States. The population was 1,972 at the 2020 census. It is part of the Cincinnati metropolitan area. Batavia was surveyed on May 28, 1788, by Captain Francis Minnis, John O'Bannon, Nicholas Keller, Archelus Price, and John Ormsley. Virginian Ezekiel Dimmitt became the area's first settler in the fall of 1797. George Ely purchased the Minnis survey in 1807 and platted the town on October 24, 1814, possibly naming it after Batavia, New York. The Clermont County seat moved from New Richmond to Batavia on February 24, 1824. Batavia finally incorporated as a village on February 10, 1842.