Indonesia is the largest archipelago in the world with the total number of 17,508 islands according to the Indonesian Naval Hydro-Oceanographic office. The archipelago is on a crossroads between two oceans, the Pacific and the Indian ocean, and bridges two continents, Asia and Australia. This strategic position has always influenced the cultural, social, political and economic life of the country. The territory of the Republic of Indonesia stretches from 6°08' north latitude to 11°15' south latitude, and from 94°45' to 141°05' east longitude. The Indonesian sea area is four times greater than its land area, which is about 1.9 million sq. km. The sea area is about 7.9 million sq. km (including an exclusive economic zone) and constitutes about 81% of the total area of the country.