Anna Nagar is a neighbourhood in the metropolitan city of Chennai, India. This area is named after the Tamil leader C. N. Annadurai. This area is in the north-western part of Chennai and forms a part of the Aminjikarai taluk. It is one of the prime residential areas in Chennai.One of the primary landmarks in Anna Nagar is the Anna Nagar Tower, built in 1968 as part of the World Trade Fair.