Sarmizegetusa was the capital of the ancient Dacian kingdom, located in present-day Romania. It served as a significant political and religious center, featuring impressive fortifications and temples. The site is known for its unique circular and rectangular sanctuaries, which were used for various rituals. Today, Sarmizegetusa is recognized as a UNESCO World Heritage site, attracting visitors interested in ancient history. The ruins provide insight into the Dacian civilization and its interactions with the Roman Empire, particularly during the Dacian Wars led by Emperor Trajan in the early 2nd century AD.