Kalwan is a village in Amas taluk, Gaya district, Bihar. Its LGD code is 255775 and it covers 3.221 km². Category: Rural.
Bordering villages: Surajpura, Chandpur, Chaprdah, Kurmain, Rajpur, Sihuli, Hardaspur, Bankat, Banahi, Kolhua.
Boundary from the Survey of India village boundary database. All villages in Bihar