Pozhichalur is a census town in Chennai metropolitan city in the Indian state of Tamil Nadu. It is a suburb of Chennai and is located close to the Chennai Airport at Tirusulam on its south west side. It lies on the south banks of the Adyar River. Agasteeswarar Temple, which is called North Thirunallaru, is situated there. The neighborhood is served by Pallavaram Railway Station of the Chennai Suburban Railway Network.

Pallavaram railway station is one of the railway stations of the Chennai Beach–Chengelpet section of the Chennai Suburban Railway Network. It serves the neighbourhood of Pallavaram, Pammal, Nagalkeni, Anakaputhur, Pozhichalur, Cowl Bazaar, Kolapakkam, Gerugambakkam, Kovoor, Thandalam, Tharapakkam, Thiruneermalai, Thirumudivakkam, Kundrathur, Mangadu, and Keelkattalai. It is situated about 23 km (14 mi) from Chennai Beach, and has an elevation of 4 m (13 ft) above sea level.