Guánica is a town and municipality in southern Puerto Rico, bordering the Caribbean Sea, south of Sabana Grande, east of Lajas, and west of Yauco. It is part of the Yauco metropolitan statistical area. Guánica barrio-pueblo, also known as Pueblo de Guánica, is the downtown of the municipality. Guánica's population in 2020 was 13,787 people. Guánica is located on a deeply indented harbor of the same name. From Wikipedia