Ohio Rev. Code § 4515.01: Venue in actions for injury caused by motor vehicles.

Actions for injury to a person or property, caused by the negligence of the owner or operator of a motor vehicle, may be brought by the person injured against such owner or operator in the county in which such injury occurred. A summons in such action against any defendant shall be issued to the sheriff of any county within this state in which such defendant resides and may be served as in other civil actions.