Yes, Lord Vishnu was worshiped in Angkor Wat temple which located in Cambodia. Angkor Wat was built in the first half of the 12th century (113-5BC). Estimated construction time of the temple is 30 years by King Suryavarman II. read more
The modern name, Angkor Wat (Khmer: អង្គរវត្ត) (alternate name: Nokor Wat, Khmer: នគរវត្ត), means "Temple City" or "City of Temples" in Khmer; Angkor (Khmer: អង្គរ) meaning "city" or "capital city", is a vernacular form of the word nokor (Khmer: នគរ), which comes from the Sanskrit word nagara (Devanāgarī: नगर). read more
In designing Angkor Wat in this way, King Suryavarman II and his architects intended for the temple to serve as the supreme abode for Vishnu. Similarly, the symbolism of Angkor Wat serving as an axis mundi was intended to demonstrate the Angkor Kingdom’s and the king’s central place in the universe. read more