San Juan is subdivided into 18 wards '“barrios” or neighborhoods, 16 of which fall within the former (until 1951) municipio of Rio Piedras. 8 “barrios” are further subdivided in to “sub-barrios”, including both “barrios” of the former municipio of San Juan:
- Caimito
- Cupey (formerly two “barrios”: Cupey Alto and Cupey Bajo)
- El Cinco
- Gobernador Piñero
- Hato Rey Central
- Ciudad Nueva
- Floral Park
- Las Monjas
- Quintana
- Hato Rey Norte
- El Vedado
- Eleanor Roosevelt
- Martín Peña
- Puerto Nuevo (including Puerto Nuevo Norte)
- Hato Rey Sur
- Bella Vista
- Hyde Park
- La 37
- Santa Rita
- Monacillo
- Monacillo Urbano
- Oriente
- Borínquen
- López Sicardó
- San José
- Río Piedras (pueblo)
- Buen Consejo
- Capetillo
- Monterey
- Río Piedras Antiguo
- Ubarri
- Venezuela
- Quebrada Arenas
- Sabana Llana Norte
- Sabana Llana Sur
- Tortugo
- Universidad
- Amparo
- Auxilio Mutuo
- Institución
- Valencia
[edit] Former municipio of San Juan (until 1951)
[edit] collective terms (former “barrios”)
- Sabana Llana is a former “barrio” of Río Piedras (current barrios of Sabana Llana Norte and Sabana Llana Sur, see above)
- Monacillos is a former “barrio” of Río Piedras (current barrios of Monacillo and Monacillo Urbano, see above)
- Hato Rey is a former “barrio” of Río Piedras (current barrios of Hato Rey Central, Hato Rey Norte, Hato Rey Sur , see above)
