Ohio Rev. Code § 713.06: Division of municipal corporation into zones.

The planning commission of any municipal corporation may frame and adopt a plan for dividing the municipal corporation or any portion thereof into zones or districts, representing the recommendations of the commission, in the interest of the public health, safety, convenience, comfort, prosperity, or general welfare, for the limitations and regulation of the height, bulk, and location, including percentage of lot occupancy, set back building lines, and area and dimensions of yards, courts, and other open spaces, and the uses of buildings and other structures and of premises in such zones or districts.