Tirusulam is a neighbourhood in Chennai, India. For administrative purposes, it is a census town in Chennai. The Chennai International Airport is located here opposite the Tirusulam Railway station, with the cargo terminal located at the adjacent Meenambakkam. Chennai International Airport is the primary airport serving the city of Chennai. The airport is the regional headquarters of the Airports Authority of India for South India comprising the states of Tamil Nadu, Andhra Pradesh, Karnataka and Kerala and the union territories of Puducherry and Lakshadweep.