A Pura is a Balinese Hindu temple. and the place of worship for the adherents of Balinese Hinduism in Indonesia. Puras are built in accordance to rules, style, guidance and rituals found in Balinese architecture. Most of the puras are found on the island of Bali, as Hinduism is the predominant religion in the island; however many puras exist in other parts of Indonesia where there are significant numbers of Balinese people. Mother Temple of Besakih is the most important, the largest and holiest temple in Bali. A large number of puras have been built in Bali, leading it to be titled "the Island of a Thousand Puras".
The term pura originates from the Sanskrit word (-pur, -puri, -pura, -puram, -pore), meaning "city", "walled city", "towered city", or "palace". During the development of the Balinese language the term pura came to refer to a religious temple complex, while the term puri came to refer to palace, the residence of kings and nobles, similar to Javanese kratons.
Unlike the common towering indoor Indian Hindu temple, puras are designed as an open air place of worship within enclosed walls, connected with a series of intricately decorated gates between its compounds. This walled compounds contains several shrines, meru (towers), and bale (pavilions). The design, plan and layout of the pura follows the trimandala concept of Balinese space allocation. Three mandala zones arranged according to a sacred hierarchy:
However, the layout rules for arrangements the facilities of the two outer zones, nista mandala and madya mandala, are somewhat flexible. Several structures, such as the bale kulkul, could be built as outer corner tower; also, the perantenan (temple's kitchen) could be located in the Nista mandala.