The Christian Conference of Asia is a regional ecumenical organisation representing 15 National Councils and over 100 denominations (churches) in New Zealand, Australia, Bangladesh, Burma, Cambodia, East Timor, Hong Kong, India, Indonesia, Laos, Japan, Korea, Malaysia, Pakistan, Philippines, Sri Lanka, Taiwan and Thailand.
The Karo,, are a people of the Tanah Karo and part of the Karo people from North Sumatra, Indonesia. The Karo lands consist of Karo Regency, plus neighboring areas in East Aceh Regency, Langkat Regency, Dairi Regency, Simalungun Regency, and Deli Serdang Regency. In addition, the cities of Binjai and Medan, both bordered by Deli Serdang Regency, contain significant Karo populations, particularly in the Padang Bulan area of Medan. The town of Sibolangit, Deli Serdang Regency in the foothills of the road from Medan to Berastagi is also a significant Karo town.
Several different religions are practised in Indonesia. Indonesia is officially a presidential republic and a unitary state without an established state religion. The first principle of Indonesia's philosophical foundation, Pancasila, requires its citizens to state the belief in "the one and almighty God". Although, as explained by the Constitutional Court, this first sila of Pancasila is an explicit recognition of divine substances and meant as a principle on how to live together in a religiously diverse society. Blasphemy is a punishable offence and the Indonesian government has a discriminatory attitude towards its numerous tribal religions, atheist and agnostic citizens. In addition, the Aceh province officially applies Sharia law and is notorious for its discriminatory practices towards religious and sexual minorities.
Christianity is Indonesia's second-largest religion, after Islam. Indonesia also has the second-largest Christian population in Southeast Asia after the Philippines, the largest Protestant population in Southeast Asia, and the third-largest Christian population in Asia after the Philippines and China. Indonesia also has the second-largest Christian population in the Muslim world, after Nigeria, followed by Egypt. Indonesia's 29.4 million Christians constituted 10.47% of the country's population in 2023, with 7.41% Protestant and 3.06% Catholic. Some provinces in Indonesia are majority Christian. In Indonesia, the word Kristen refers to Protestantism, while Catholicism is referred to as Katolik. In the 21st century the rate of growth and spread of Christianity has increased, especially among the Chinese minority.
Protestantism is one of the six approved religions in Indonesia, the others being Islam, Roman Catholicism, Hinduism, Buddhism, and Confucianism. It constitutes the bulk of Christianity in Indonesia, which is the second largest religion in the country after Islam.
Gereja Kristen Protestan Simalungun is a Lutheran and Reformed Protestant church formally founded to spread Christianity among the Simalungun people, a tribe living in Simalungun, North Sumatra, Indonesia. It has a baptized membership of 211,383.
Petra Christian University, commonly abbreviated as PCU is a major private Christian university the oldest and largest in Indonesia, located in Wonocolo District in Surabaya, East Java - Indonesia. It was established in 1961, founded by PPPK Petra, an educational Christian based in Surabaya which established in 1951. The Petra name itself is taken from the Greek language that translates as coral reef or rock. It is Indonesia's best private university in the 2018-2021 QS World University Rankings and stands out as the only private university in Indonesia to make the top 10.
The Indonesian Christian Church Synod is an Indonesian church of Presbyterian denomination. It adheres to Calvinist theology.
The Gereja Batak Karo Protestan or Karo Batak Protestant Church is the largest church among the largely Christian Karo people of North Sumatra, Indonesia. It was established formally in 1941.
Christian Church of Sumba is Calvinist church in Indonesia, a member of World Communion of Reformed Churches. The denomination was established on 15 January 1947. Today, the church has congregations in various cities outside the island of Sumba.
The Protestant Church in Indonesia is a Reformed church; it is a member of World Communion of Reformed Churches.
The Protestant Church in Western Indonesia is a Reformed Church, and its theology is based on the teaching of John Calvin. It was established on 31 October 1948. It was called the "De Protestantse Kerk in Westelijk Indonesie", founded in 1605 in Ambon, Moluccas. In its formative years it consisted of seven classes: Jabar, Java, Jatim, Sumatra, Bangka, Borneo, Sulawesi. It is a member of the World Communion of Reformed Churches the World Council of Churches and the Christian Conference in Asia.
The Indonesian Protestant Church in Donggala is a Protestant church in the island of Sulawesi, Indonesia. It has more than 40,000 members and is part of the Protestant Church in Indonesia.
The Pasundan Christian Church was officially established in Indonesia on 14 November 1934. It has 51 congregations and 33,000 members. It is a member of the World Communion of Reformed Churches (WCRC).
Indonesian Protestant Church in Buol Toli-Toli is a Protestant Church group in Buol and Toli-Toli, Central Sulawesi, Indonesia. In the 19th century Europeans and Indonesians immigrated to this part of the island. The Minahasan ministers established the Protestant church. In 1937 the region was transferred to the Minahasan Church. Because the distance the church didn't remained in the Minahasan Church. In 1965 it became an independent denomination. It has 200 congregations and 51 fellowships, and 23,000 members. It is a member of the World Communion of Reformed Churches.
The Pakpak Dairi Christian Protestant Church is a Lutheran denomination in Indonesia. It is a member of the Lutheran World Federation, which it joined in 2000. It is affiliated with the Communion of Churches in Indonesia. Its president is Bishop Abednego Padang Batanghari (Ephorus).
The Communion of Churches in Indonesia (CCI), Indonesian: Persekutuan Gereja-Gereja di Indonesia (PGI), is a fellowship organisation of Protestant churches in Indonesia. This fellowship was founded on 25 May 1950, in Jakarta, the capital city of Indonesia, under the name Council of Churches in Indonesia as a manifestation of the desire of Protestants in Indonesia to reunite the Protestant Church as the fragmented Body of Christ. Therefore, PGI stated that the aim of its formation was to create one Christian Church in Indonesia. It is a member of the World Council of Churches.
Gereja Kristen Protestan Angkola is a church Christian Protestant synod in Indonesia with its head office in Padangsidimpuan, North Sumatra province. This church organization was officially established on October 26, 1975 when it obtained autonomy from Huria Kristen Batak Protestant (HKBP), under the name HKBP-A. In 1988 it merged with the "Angkola Protestant Church (GPA)", and began to take the name "Angkola Protestant Christian Church". GKPA serves specifically the Angkola Batak community in their local language.
