All actions seeking equitable relief shall be filed in the county of the residence of one of the defendants against whom substantial relief is prayed, except in cases of injunctions to stay pending proceedings, when the action may be filed in the county where the proceedings are pending, provided no relief is prayed as to matters not included in such litigation, and except in divorce cases, venue in which is governed by Article VI, Section II, Paragraph I of the Constitution of this state.
Georgia Legal Code