It includes the locality of Anna Nagar, which is in Chennai.

It is part of Chennai Central Lok Sabha constituency.

Anna Nagar was one of 17 assembly constituencies to have VVPAT facility with EVMs in the 2016 Tamil Nadu Legislative Assembly election.

[2][3][4] It is one of the 234 State Legislative Assembly Constituencies in Tamil Nadu.

21 Anna Nagar Assembly constituency is composed of Ward 100-103 & 105-107 of Greater Chennai Corporation.