Vessagiriya, also known as Issarasamanarama, is an ancient Buddhist monastery and archaeological site in the Anuradhapura District of Sri Lanka. It was established in the 3rd century BCE and served as a dwelling place for Buddhist monks, featuring rock-cut caves, stupas, and other structures adorned with intricate carvings and paintings. The site holds historical and cultural significance, with valuable archaeological artifacts contributing to our understanding of ancient Sri Lankan monastic life. Vessagiriya is a popular tourist attraction, offering a glimpse into the rich Buddhist heritage and architectural achievements of ancient Sri Lanka.