Preah Ko is a significant archaeological site located in Cambodia, known for its ancient temple complex built during the reign of King Indravarman I in the late 9th century. It is part of the Angkor region and is dedicated to the Hindu god Shiva. The temple is characterized by its unique brick construction and intricate carvings. The name "Preah Ko" translates to "sacred bull," referring to the sacred animal associated with Shiva. The site features several towers, each adorned with detailed sculptures and inscriptions. It serves as an important example of early Khmer architecture and reflects the cultural and religious practices of the time.