Java island is situated in the middle part of the Indonesian archipelago. It stretches across the tropical waters of the Indian Ocean and the Pacific, from South-eastern Asia to Northern Australia. Its length from east to west is greater than the distance from London to Moscow or from New York to San Francisco. This vast archipelago has a land area of approximately 1.92 million km2, archipelagic waters and a 12 nautical mile territorial sea of 3.1 million km2, and a 200 nautical mile exclusive economic zone (EEZ) of 2.7 million km2. Its coast line is about 81,000 km long which makes Indonesia the country with the longest tropical coast line in the world