Grant Lyon is a village in Ponneri taluk, Thiruvallur district, Tamil Nadu. Its LGD code is 629190 and it covers 0.887 km². Category: Rural.
Bordering villages: Greater Chennai (M Corp), Alinjivakkam, Vadagarai, Payasambakkam, Sengundram, Pullilyon.
Boundary from the Survey of India village boundary database. All villages in Tamil Nadu