Ohio Rev. Code Ann. § 1901.02
(A) The municipal courts established by section 1901.01 of the Revised Code have jurisdiction within the corporate limits of their respective municipal corporations, or, for the Clermont county municipal court, the Columbiana county municipal court, and, effective January 1, 2008, the Erie county municipal court, within the municipal corporation or unincorporated territory in which they are established, and are courts of record. Each of the courts shall be styled ".................................. municipal court," inserting the name of the municipal corporation, except the following courts, which shall be styled as set forth below:
(C) As used in this section: