The Nicoya Peninsula (Spanish: Península de Nicoya) is a peninsula on the Pacific coast of Costa Rica. It is divided into two provinces: Guanacaste Province in the north, and the Puntarenas Province in the south. It is located at (10°N 85.4166667°W). It varies from 19 to 37 miles (60 km) wide and is approximately 75 miles (121 km) long, forming the largest peninsula in the country.