Ulun Danu Temple is a beautiful Hindu Temple in Tabanan, which is located beside the Lake Beratan. The distance from Denpasar town is about 50 km north side the way from Denpasar to Singaraja. It is set at lakeside of Beratan with beautiful lake view and hills surround it. It is situated in the plateau area with cool atmosphere surround it and hills as a backdrop. We can find at north side of this temple is Pucak Sangkur mount, in the eastside there is Beratan Mount which also referred as Pucak Mangu or Pucak Pangelengan, in the south side there is Terate Bang Mount and in the Westside there is Tapak Mount and Watukaru Mount.
The name of Ulun Danu Beratan Temple is taken from the lake where the temple is built at Beratan Lake. The name of Beratan Lake is inseparable with the Beratan Mount as Deity and Goddess as fertility source, prosperity to keep the prosperity in life and society life. In papyrus chronicle of the Mengwi, this temple is referred as the name of Parhyangan ri pinggiring danu Beratan (sanctum located in lakeside of Beratan Lake). Ulun is come from Hulu word meaning head or power and in this case is intended by Ulun Danu Beratan means power of Beratan Lake that is Danu Goddess.
In Papyrus Chronicle of the Mengwi is elaborated by the history of Ulun Danu Beratan Temple founding together with existence of the Mengwi Empire. Therefore its status is pertained with the secondhand of Temple Empire what is usually pertained as Dang Kahyangan. It is the same to the description in papyrus of Usana Bali and Padma Bhuwana, hence Puncak Mangu Temple where the Panyawangan (representative place to worship) is the Ulun Danu Beratan Temple. So it is called by entire Balinese residents as Kahyangan Jagat (The Biggest Group of Hindu Temple in Bali)