The temple is situated in the village Upgrading Upgrading, Nglegok district, Blitar regency, East Java, Indonesia. Location at the foot of Mount Kelud, making the air cool Upgrading temple area. Upgrading is the enshrinement of the temple complex of the largest and most well maintained in the province of East Java, Indonesia.
Upgrading of the temple is a temple rich with various shades of reliefs, statues, and the Hindu-style structure. The existence of sculptures Kala (huge grin), Ganesya statues (god of science in Hindu mythology), statues Dwarapala (giant statues guard the gate), and also relief of Ramayana is indisputable evidence that the temple is a Hindu temple upgrading.
Palah inscriptions found in the temple area Upgrading reported that this temple was built around the year 1194, during the reign of the king who ruled the kingdom of Kadiri Syrenggra, and finished in the kingdom of Majapahit. Thus the temple is through the three kingdoms of the archipelago is Kadiri, Singasari, and Majapahit. Upgrading of the temple is quite an important role for these kingdoms, namely the removal of the king's place and a place for ritual worship of the Creator.
Various studies by historians of ancient texts, the book written Negarakertagama Prapanca MPU, for example, explained that the temple Upgrading is highly respected by the king and the officials of the kingdom in East Java. Upgrading never store ashes of the temple of the king Rajasa (Ken Arok) Singasari royal founder, and also the ashes of the king Kertarajasa Jayawardhana (Raden Wijaya) founder of the kingdom of Majapahit. Even supposedly, according to local folk legends, sacred oath Mahapatih Gajah Mada to unite the whole archipelago in the power of Majapahit, known by the name "Palapa Oath", spoken in the Temple upgrading.