Avarua is a town on Rarotonga Island and the national capital of Cook Islands. The town is located at a latitude of 21°11'60 South and longitude of 159°46'0 West at sea level, below the towering peaks of Rarotonga (altitude 208 metres). The area of Avarua is 67.2 square kilometres. The town is served by Rarotonga International Airport (IATA Airport Code: NCRG .