Borobudur is the biggest Buddhis temple.Approximately 40 kilometers (25 mi) northwest of Yogyakarta, Borobudur is located in an elevated area between two twin volcanoes, Sundoro-Sumbing and Merbabu-Merapi, and two rivers, the Progo and the Elo.
Prambanan is the largest Hindu temple compound in Indonesia, located approximately 18 km east of Yogyakarta. It was built around 850 CE by either Rakai Pikatan, king of the second Mataram dynasty, or Balitung Maha Sambu, during the Sanjaya Dynasty of individual temples.
The cave was found at the first time in 1802 by Jayamenawi. It lies 50 m above sea level in the Village of Jatijajar, Ayah District of Kebumen Regency or about 42 km from Kebumen. The cave was made of lime stone of 250 m long counted from the entrance up to the exit gate
Sewu Temple is located 2 km north of Prambanan Temple. This is the second largest Buddhist Temple complex in Java; Restoration is professionally underway to reach its original form. It is a MANDALA, manifesting the universe in the center temple of Mahadeva, surrounded by four rings of 250 smaller temples of Gods.
Karimunjawa,a culter of island,is administratively a sub district of Jepara Regency.It consists of 27 islands scattered along the java Sea with the sea 69 metres in depth.The average temperature 26-300°C.The total territory area is 107,225 ha which consists of 100.105 ha of land and 7.120 ha of water.Some islands are formed by coral reefs and covered with sand layers.