Short answers, pulled from the story.
Indonesia is a country in Southeast Asia and Oceania, lying between the Indian and Pacific oceans. It comprises over 17,000 islands, including Sumatra, Java, Sulawesi, and parts of Borneo and New Guinea, making it the world's largest archipelagic state.
Indonesia is home to over 280 million people, ranking fourth in the world by population. More than half live on Java, the most heavily populated island in the world, and the capital Jakarta is by United Nations estimates the world's most populous city.
Sukarno and Mohammad Hatta issued the Proclamation of Indonesian Independence on the 17th of August 1945, shortly after Japan's surrender in World War II. The Netherlands accepted a transfer of sovereignty in 1949, ending the Indonesian National Revolution.
As of 2024-87.1% of Indonesia's population, about 244 million people, are Muslims, making it the world's most populous Muslim-majority country. The state officially recognises six religions: Islam, Protestantism, Roman Catholicism, Hinduism, Buddhism, and Confucianism.
Indonesia sits on the Pacific Ring of Fire, where major tectonic plates meet in subduction zones and active faults. Around 130 of its volcanoes are classified as active, and historic eruptions include Mount Tambora in 1815 and Krakatoa in 1883.
Indonesia is home to around 600 distinct native ethnic groups, with the Javanese, about 40% of the population, forming the largest. More than 700 languages are spoken across the archipelago, unified by the national motto Bhinneka Tunggal Ika and the official language, Indonesian.