What islands in Indonesia have Christians on them?

The following Indonesian islands are predominantly or significantly Christian:

1. North Sulawesi: This province in northeastern Indonesia has a predominantly Protestant Christian population. The Minahasan people, the largest ethnic group in the province, are mostly Protestant.

2. South Sulawesi: While the majority of the population in South Sulawesi is Muslim, the province has significant Christian minorities. The Toraja people, an ethnic group indigenous to the region, are predominantly Protestant Christian.

3. Maluku: The Maluku Islands (including Ambon, Seram, and others) have a significant Christian population. Both Protestant and Catholic Christians are present in the region.

4. West Papua and Papua: These provinces in the easternmost part of Indonesia are predominantly Christian. Most of the indigenous Papuan people are Protestant or Catholic.

5. Nias Island: Located off the western coast of Sumatra, Nias Island is predominantly Protestant Christian. The Nias people are known for their strong adherence to Christianity.

6. Flores Island: While a majority of the population in Flores is Catholic, there are also Protestant Christian communities.

7. Sumba Island: Another island in eastern Indonesia, Sumba has a significant Christian population, both Protestant and Catholic.

It's important to note that Indonesia is a diverse country with over 17,000 islands. While the above-mentioned islands have significant Christian populations, Christianity is also practiced by minorities on many other islands throughout the country.