Constitution of the State of Georgia Art. IX, § 1, ¶ II

(a) There shall not be more than 159 counties in this state.

(b) The metes and bounds of the several counties and the county sites shall remain as prescribed by law on June 30, 1983, unless changed under the operation of a general law.

(c) The General Assembly may provide by law for the consolidation of two or more counties into one or the division of a county and the merger of portions thereof into other counties under such terms and conditions as it may prescribe; but no such consolidation, division, or merger shall become effective unless approved by a majority of the qualified voters voting thereon in each of the counties proposed to be consolidated, divided, or merged.