Indonesia, the largest archipelago in the world, stretching 3,200 miles (5.120 kin) from east to west, it straddles the equator between the Australian and Asian Continents.Indonesia is almost unimaginably vast: 18 110 islands providing 108 000 kilometres of beaches, and the distance between Aceh and Papua is more than 4 000 kilometres (2500 miles), comparable to the distance between New York and San Francisco. There are more than 400 volcanoes in Indonesia, 130 of them being considered active, and many undersea volcanoes. The island of New Guinea (on which the Indonesian province of Papua is located) is the second largest island in the world. Consisting of more than 17,000 islands, the vast Indonesian archipelago spans 5,120 km across the equator, positioned between the Asian and Australian continents. Four-fifths of the area is sea with the major islands of Sumatera, Java, Kalimantan, Sulawesi and Papua. The 300 ethnic groups that exist harmoniously give birth to a potpourri of cultures and fascinating people. The major ethnic groups are: Minangkabaunese, Malay, Javanese, Sundanese, Maduranese and Ambonnese. Arab, Chinese and Indian immigrants have also settled in regions throughout the country, particularly in the coastal cities. Geographically, Indonesia's landscape is greatly varied. Java and Bali have the most fertile islands and rice fields are concentrated in these two regions, whereas Sumatra, Kalimantan, Sulawesi, Maluku and Papua are still largely covered with tropical rainforest. Open savannah and grassland characterize Nusa Tenggara. A cultural heritage passed on through generations offers a wealth of traditional arts and crafts. Batik, wooden carvings, weavings, silverworks and many other traditional skills produce exquisitely beautiful items. Indonesia's multi-racial and multi-religious culture mean festivals steeped in traditions are celebrated throughout the year. Frequently featured in these events are dances, wayang theaters and other performing arts. Many tourism object in Indonesia, most of favorite place like : Bali, Yogyakarta, Lombok Island, Medan, Lake Toba, Padang - Bukittinggi, Makassar/Ujungpandang, Toraja, Manado, Bunaken,