Kollam is a city in the Indian state of Kerala. It is located in the district of Kollam, It is located 71 kilometers from the state capital Thiruvananthapuram. Kollam is a port city on the Arabian Sea and is the gateway to the backwaters of Kerala. Kollam was formerly known as Quilon. It is among the oldest and most populous cities in Kerala. The city is home to the Kollam Port, the second largest port in Kerala after Cochin Port. Kollam is noted for its cashew nut industry and coir manufacturing. It is also home to the Ashtamudi Lake, the second largest lake in Kerala. The city is connected to other parts of the state by road and rail. The city is served by the Trivandrum International Airport, located about 71 kilometers from the city.