 Humacao was working on flood mitigation plans and shared that its barrios located on the coast; Antón Ruíz, Punta Santiago, Río Abajo, Buena Vista and Candelero Abajo barrios, are extremely vulnerable to flooding and destruction.Like all municipalities of Puerto Rico, Humacao is subdivided into barrios.The municipal buildings, central square and large Catholic church are located in a small barrio referred to as , near the center of the municipality.