Counties in Puerto Rico

• Adjuntas (2 historic properties)
• Aguada (1 historic property)
• Aguadilla (15 historic properties)
• Aibonito (1 historic property)
• Anasco (1 historic property)
• Arecibo (21 historic properties)
• Barranquitas (1 historic property)
• Bayamon (4 historic properties)
• Cabo Rojo (2 historic properties)
• Caguas (6 historic properties)
• Camuy (1 historic property)
• Canovanas (1 historic property)
• Carolina (1 historic property)
• Catano (1 historic property)
• Cayey (4 historic properties)
• Ciales (1 historic property)
• Coamo (6 historic properties)
• Comerio (2 historic properties)
• Corozal (1 historic property)
• Culebra (1 historic property)
• Dorado (6 historic properties)
• Fajardo (1 historic property)
• Guanica (2 historic properties)
• Guayama (10 historic properties)
• Guaynabo (1 historic property)
• Hormigueros (3 historic properties)
• Humacao (24 historic properties)

• Isabela (2 historic properties)
• Jayuya (1 historic property)
• Juana Diaz (1 historic property)
• Lares (2 historic properties)
• Las Piedras (1 historic property)
• Loiza (2 historic properties)
• Manati (4 historic properties)
• Maricao (1 historic property)
• Mayaguez (27 historic properties)
• Moca (1 historic property)
• Naguabo (1 historic property)
• Orocovis (1 historic property)
• Ponce (35 historic properties)
• Quebradillas (1 historic property)
• Rincon (1 historic property)
• Sabana Grande (3 historic properties)
• Salinas (1 historic property)
• San German (4 historic properties)
• San Juan (63 historic properties)
• San Lorenzo (1 historic property)
• Santa Isabel (1 historic property)
• Toa Baja (2 historic properties)
• Trujillo Alto (1 historic property)
• Utuado (3 historic properties)
• Vega Baja (2 historic properties)
• Vieques (17 historic properties)
• Yauco (4 historic properties)