Guayanilla is a municipality of Puerto Rico, located in the south of the country. It is a set of city and port, to the west of the Bay of Guayanilla, in which there are abandoned oil refineries, a petrochemical complex and an energy generation plant with natural gas. It is located on the south coast about 13 miles from Ponce. It limits with Adjuntas for the north, the Caribbean Sea for the south, Peñuelas for the east and Yauco for the west. Guayanilla is divided into 17 neighborhoods and Guayanilla Pueblo, the administrative center and main town of the municipality.