Arenas, Cidra, Puerto Rico
Arenas is a barrio in the municipality of Cidra, Puerto Rico. Its population in 2010 was 6,123.

History
Arenas was in Spain's gazetteers 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 Arenas barrio and Beatriz barrio was 997.

Sectors
Barrios (which are, in contemporary times, roughly comparable to minor civil divisions) 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.

The following sectors are in Arenas barrio:

, and .

In Arenas barrio is part of the Cidra urban zone.

See also

 List of communities in Puerto Rico
 List of barrios and sectors of Cidra, Puerto Rico

References 

Barrios of Cidra, Puerto Rico