It lies on north side in the Bahour Enclave of Puducherry district.
Seliamedu is bordered by Bahour in the west, Keezh Kumaramangalam village of Tamil nadu in the north, Nagappanur village of Tamil nadu in east and Kudiyiruppupalayam in the south.
Seliamedu lies on Villianur - Bahour road (RC-18).
Seliamedu is also connected by TN Palayam-Bahour road.
Seliamedu is a part of Embalam (Union Territory Assembly constituency) which comes under Puducherry (Lok Sabha constituency)