Potladurthi is a village in Kadapa district in the Indian state of Andhra Pradesh. Situated in the bank of Penna River on the way of Yeraaguntla and Proddatur road in the area of 4336 acres with the population around 8000 to 9000. This village is famous for black stone business. The stones called Kadapa stones (black stone) are mined from the mines of this village. The Kadapa stones have a reputation throughout the world as these stones are exported to other countries. It is located 5 km away from Proddatur.