Ohio Revised Code Title LVIII. Trusts § 5801.06

(A) The law of the jurisdiction designated in the terms of a trust determines the meaning and effect of the terms unless the designation of that jurisdiction's law is contrary to a strong public policy of the jurisdiction having the most significant relationship to the matter at issue. In the absence of a controlling designation in the terms of the trust, the law of the jurisdiction having the most significant relationship to the matter at issue determines the meaning and effect of the terms.

(B) The administration of a trust is governed by the law designated in the terms of the trust to govern trust administration. If the terms of the trust do not designate the governing law, both of the following apply: