Gereja Jemaat Protestan di Indonesia is a Reformed church in the in Indonesia. It was created on 25 June 1984 by the Reformed Congregations in the Netherlands. It began pioneer mission work in the Yali territory. Historically this was known as Irian Jaya and was part of the Dutch East Indies. In Papua there are 250 different languages. The first Synod was held on 25 June 1984. In 2012 the denomination had 68 congregations and 16 outreach points, with 11,000 members but attendance is significantly higher. The federation has 24 ministers. The church office located in Wamena, Indonesia.