Kosiawan is a village in Ekangarsarai taluk, Nalanda district, Bihar. Its LGD code is 244827 and it covers 2.759 km². Category: Rural.
Bordering villages: Bazidpur, Chamehra, Ekangar Sarai (NP), Juniar, Dhangawan, Makhdumpur, Lodipur.
Boundary from the Survey of India village boundary database. All villages in Bihar