Elanthanoor (Tamil: எலந்தனூர்), is an industrial/residential area in Manali, North of Chennai, a metropolitan city in Tamil Nadu, India. In October 2011, the erstwhile Sadayankuppam village panchayat is merged with Greater Chennai Corporation and it came under the jurisdiction of Greater Chennai Corporation. Though Elanthanoor is annexed with Greater Chennai Corporation it is remained as a part of Tiruvottiyur taluk in Tiruvallur district till 15 August 2018.