San Andres y Providencia is one of the departments of Colombia. It consists of two island groups about 775 km (480 miles) northwest of Colombia and 220 km (140 miles) from the coast of Nicaragua, and eight outlying banks and reefs. Its capital is San Andrs.
The main island of the San Andrés group measures 12 km in length with a width of 3 km and covers an area of 26 km². There is a tiny lagoon in the center of the island called Big Pond. The principal town is San Andrés in the north of the island. Another town is San Luis on the east coast. Cayo Johnny (Cayo Sucre) lies 1.5 km ENE of German Point (Punta Norte), the island's northern tip, and Haynes Cay about the same distance east of the island. Cotton Cay is less than 1 km south of San Andrés town, on the northeastern coast.
Providencia and Santa Catalina Island (a small satellite island close off its northern end) extend 7.2 km in a north-south direction. The land area of Providencia Island measures 17 km². The mountainous center of Providencia Island rises to three peaks of about the same elevation: roughly 363 meters. The island consists of sedimentary rocks laid down on a former volcano. The chief settlement is Isabel Village in the north, near Santa Catalina Island. Other villages are San Felipe on the west coast, and La Paz in the southeast.