Alwarthirunagar is an urban locality in Chennai, the capital city of Tamil Nadu, India. Alwarthirunagar Pin code is 600087 and postal head office is Valasaravakkam. It falls under Valasaravakkam municipality, in Maduravoyal (State Assembly Constituency) constituency in Tiruvallur district in the Indian state of Tamil Nadu. The word nagar refers to a settlement in sanskrit. The neighbourhood was developed by the City Lando Corporation in the late 1960s. With the opening of schools and shopping centres, Alwarthirunagar emerged as a service centre in Chennai's west. Twenty acres of forestation in the area acts against pollution. The area is traversed by state road number 113.