MOMASE encompasses the north-western Region of Papua New Guinea. Momase Region comprises Morobe, Madang, East Sepik and West Sepik Provinces. West Sepik is also known as Sandaun Province. Karaite Village in Lumi District of Sandaun Province is the birth place of Revival Fellowship in Papua New Guinea. From a humble beginning in Lumi, the church spread to Aitape, Wewak, Madang, Lae and eventually into the Highlands Region.
MOMASE Region still maintains as a Revival stronghold. Currently, MOMASE Region has more Assemblies in comparison to other three regions. Revival fellowship in MOMASE maintains a steady growth as more people abandon their cultural heritage, traditions, and seek for Biblical Truths. A good number of newly converts are people who have been in other already established churches.