The first of these denominations to be established, later coming to be known as the Indonesian Christian Church East Java, was incorporated on 22 February 1934.
Six years later, and coming to be known as the Indonesian Christian Church West Java, the second denomination was incorporated on 24 March 1940.
Finally, on 8 August 1945, the Indonesian Christian Churches Central Java was incorporated.
Additionally, GKI West Java originally included a number of congregations operating as a distinct presbytery, which was affiliated with local and foreign Chinese Evangelical missions.
The most authoritative forum to make decision in each form of the church organisation is the assembly.
GKI values its theological heritage which originates from Pietism, Calvinism and Methodism, but prominently classified as mainline Protestant.
GKI is doing theology in the context of a church living in the midst of Muslim community.
GKI deliberately discontinued its ethnic bond, i.e., (Indonesian Chinese) to be a multi-ethnic national church in 1958.