GPIB the Mount of Olives congregation in Makassar is part of the GPIB (Protestant Church in Western Indonesia), located on Jl. Bird of Paradise No. 353 Makassar.
GPIB theology is based on the Reformation teachings of Yohanes Calvin, a French Reformer who later settled in Geneva, Switzerland and led the Protestant Christian church
GPIB of the Bukit Zaitun Makassar congregation has 13 Service Sectors with more than 900 heads of families consisting of more than 3,000 congregation members.