Karimunjava or Karimun Java (Indonesian: Karimunjawa) is an archipelago of 27 islands in the Java Sea, Indonesia, approximately 80 kilometres northwest of Jepara. The islands' name means 'a stone's throw from Java' in Javanese. They have a total land area of 78 km2. The main island is known as Karimun (2,700 ha), while the second-largest island is Kemujan (1,400 ha).In 2011, the population of the island group was about 9,000 who lived on five of the islands.