Luquillo (Spanish pronunciation: ) is a town and municipality of Puerto Rico located in the northeast coast, northwest of Fajardo; and east of Rio Grande. Luquillo is spread over 5 barrios and Luquillo Pueblo (the downtown area and the administrative center of the city). It lends its name to the Sierra de Luquillo, where El Yunque National Forest is located. It is part of the Fajardo Metropolitan Statistical Area.