How did Indonesia get its name?

The name "Indonesia" is derived from two Greek words: "Indos", meaning "India", and "nesos", meaning "island". It was first used as a geographical term in the 18th century by European colonists to refer to the islands that now make up modern-day Indonesia. The term was chosen because the Indonesian archipelago, particularly the western islands of Java and Sumatra, had significant cultural and geographical ties to the Indian subcontinent and Southeast Asia. The name gained popularity by use with British colonizers through British East Indies company records that referred to various island territories with terms of the "East Indies".

Indonesia formally adopted this name upon its declaration of independence on August 17, 1945. The government and national leaders at the time, including the first Indonesian president, Sukarno, decided to adopt "Indonesia" as the official name for the newly born nation, symbolizing unity among the diverse population spread across thousands of islands.