Preah Ko (Khmer, The Sacred Bull) was the FIRST temple to be built in the ancient and now defunct city of Hariharalaya (in the area that today is called Roluos), some 15 kilometers south-east of the main group of temples at Angkor, Cambodia. Hence it is the first temple built in Sieam Reap and Angkor Complex.

The temple was built under the Khmer King Indravarman I in 879 to honor members of the king's family, whom it places in relation with the Hindu deity Siva. ... (more)