| Official Name: | Piedras Blancas |
| Settlement Type: | Barrio |
| Pushpin Map: | Caribbean |
| Pushpin Map Caption: | Location of Puerto Rico |
| Coordinates: | 18.363°N -67.1861°W |
| Coordinates Footnotes: | [1] |
| Subdivision Type: | Commonwealth |
| Subdivision Name: |  Puerto Rico |
| Subdivision Type1: | Municipality |
| Subdivision Name1: | Aguada |
| Unit Pref: | Imperial |
| Area Total Sq Mi: | 2.80 |
| Area Land Sq Mi: | 2.80 |
| Area Water Sq Mi: | 0.00 |
| Population As Of: | 2010 |
| Population Note: | Source: 2010 Census |
| Population Total: | 4635 |
| Population Density Sq Mi: | 1655.4 |
| Timezone: | AST |
| Utc Offset: | -4 |
| Elevation Ft: | 79 |
| Postal Code Type: | ZIP Code |
| Postal Code: | 00602 |
| Area Code: | 787, 939 |
Piedras Blancas is a barrio in the municipality of Aguada, Puerto Rico. Its population in 2010 was 4,635.[2] [3] [4]
Piedras Blancas was in Spain's gazetteers[5] until Puerto Rico was ceded by Spain in the aftermath of the Spanish–American War under the terms of the Treaty of Paris of 1898 and became an unincorporated territory of the United States. In 1899, the United States Department of War conducted a census of Puerto Rico finding that the combined population of Piedras Blancas and Asomante barrio was 1,162.[6]
Barrios (which are, in contemporary times, roughly comparable to minor civil divisions)[7] in turn are further subdivided into smaller local populated place areas/units called sectores (sectors in English). The types of sectores may vary, from normally sector to urbanización to reparto to barriada to residencial, among others.[8] [9] [10]
The following sectors are in Piedras Blancas barrio:[11]
Spanish; Castilian: Hogar Love and Care, Los González, Paseo Las Flores, Sector Bajura, Sector Cáceres, Sector Chuco Ramos, Sector Jiménez, Sector Juana Torres, Sector La Roca, Sector Los Matos, Sector Los Pinos, Sector Manolo Chaparro, Sector Parada Morales, Sector Pepe Rivera, Sector Pitirre, Sector Rufino Sánchez, Tramo Carretera 411, Urbanización Las Casonas, Urbanización Villa Ofelia, andSpanish; Castilian: Urbanización Villas de Sotomayor.
In Piedras Blancas barrio is part of the Aguada urban zone.