Java (Indonesian: Jawa) is one of the Sunda Islands of Indonesia.
The area is 132,000 square km. It is the world's 13th largest island. Around 140 million people live there, which is half the people in Indonesia and more than on any other island in the world. Most of them speak the Javanese language and many also speak other languages.
The Java Sea is to the north, the Indian Ocean south. The capital city of Indonesia, Jakarta, is in Java. The center is an east-west chain of volcanic mountains.