Nazira (IPA: nəˈzɪərə) is a town and a municipal board in Sivasagar district in the Indian state of Assam.Nazira is a historical town on the bank of River Dikhow in Sivasagar district in Assam. It is around 18 km from Sivasagar city, 3 km from Simaluguri Jn. and 78 km from Jorhat Airport. It is Sub-divisional Head Office of Nazira Sub-division. The HQ of ONGC, Assam Asset, a Maharatna E&P company is situated in Nazira.