The island of Java (132,000 km²) is the largest island of Indonesia, it is the cultural, economic and political center of the country, here lies in fact over 60% of the Indonesian population. There are big cities such as the capital Jakarta, the port of Surabaya, and centers such as Bandung, Solo (Surakarta), Yogyakarta and Semarang.
The island, which is not the largest island in Indonesia, is surrounded by the sea of Java, and is located between the islands of Sumatra and Bali, to the west the Sunda Strait separates it from Sumatra, while to the east the Bali Strait separates it from the island of Bali and the Madura Strait to the north-east separates it from the island of Madura.
Java extends from west to east for more than 1,000 km while its width never exceeds 200 km, the island is of volcanic origin and is dotted with a series of more than 100 towering volcanoes many of which are still active, including Mount Merapi (2,930 m) that is the most active volcano in Indonesia.
Going from west to east is Mount Gede (2,958 meters), Mount Pangrango (3,019 meters), the Tangkuban Parahu (2,084 meters), Mount Papandayan (2,665 meters), Mount Kendang (2,608 meters), Mount Guntur (2,249 m), the Galunggung (2,168 meters), Mount Cereme (3,078 meters), Mount Slamet (3,432 meters), the Dieng (2,565 meters), Mount Sundoro (3,135 meters), Mount Sumbing (3,371 meters), Mount Ungaran (2,050 meters), Mount Merbabu (3,145 meters), Mount Merapi (2,930 m), Mount Lawu (3,265 meters), Mount Wilis (2,563 meters), the Kelut (1,731 meters), the Arjuno-Welirang (3,339 meters), the Semeru (3,676 m), Mount Bromo (2,329 m), the Iyang-Argapura (3,088 meters), the Raung (3,332 meters), the Ijen (2,799 meters). The highest volcano in Java is Mount Semeru (Gunung Semeru, 3,676 meters).
Java is an island rich in terms of agriculture, the main agricultural resource is the cultivation of rice, but the island is very developed from the industrial and infrastructure point of view and is the nerve center of the Indonesian economy.
Java also has strong tourist attractions, in addition to the magnificent landscape of rice fields and volcanoes, there are ancient Hindu and Buddhist temples of global importance such as those of Prambanan and Borobodur, located a few kilometers away from each other near Yogyakarta in the south central part of the island.