The Buddhist site at Adapur, near Nandalur located around 15 km from Annamacharya University, Rajampet. Situated on Lanja Kanuma Gutta hill by the Cheyyeru River, it dates back to the Satavahana period (2nd–4th century CE). The site features a large Mahastupa, reflecting early Buddhist architecture and Hinayana practices. Excavated artifacts like coins and terracotta figurines highlight its spiritual and economic significance. Though now in ruins, it remains an important center for heritage research and Buddhist studies.