Maricao is a town and the second-least populous municipality of Puerto Rico; it is located at the western edge of the Cordillera Central. It is a small town set around a small square in hilly terrain, north of San Germán, Sabana Grande and Yauco; south of Las Marías and Lares, southeast of Mayagüez, and west of Adjuntas. Maricao has 7 barrios including Maricao Pueblo.