Arenales Altos

Arenales Bajos is a barrio in the municipality of Isabela, Puerto Rico. Its population in 2010 was 3,591.

The Lares Limestone is a geologic formation in Puerto Rico. It preserves fossils dating back to the Late Oligocene to Early Miocene period.

Galateo Alto is a barrio in the municipality of Isabela, Puerto Rico. Its population in 2010 was 1,314.

Galateo Bajo is a barrio in the municipality of Isabela, Puerto Rico. Its population in 2010 was 1,961.

Rocha is a barrio in the municipality of Moca, Puerto Rico. Its population in 2010 was 4,004.

Llanadas is a barrio in the municipality of Isabela, Puerto Rico. Its population in 2010 was 2,315.

Palacete Los Moreau is a house museum located in Moca, Puerto Rico. Historically known as the Labadie Mansion, the house inspired Enrique Laguerre to write La Llamarada. The property was restored as a museum and renamed the "Palacete Los Moreau" in honor of Laguerre's novel. It's listed on the National Register of Historic Places as Hacienda Iruena Manor House.

Aceitunas (Spanish for 'olives') is a barrio in the municipality of Moca, Puerto Rico with a population of 3,098 in 2010. The land area of this subdivision is 5.36 square miles (13.9 km2).A neighborhood within Aceitunas barrio called Aceitunas community had a total population of 1,436 people in 2010, living in 0.26 square miles (0.67 km2).

Guerrero is a barrio in the municipality of Isabela, Puerto Rico. Its population in 2010 was 3,552.

The Guerrero Correctional Institution (Institución Correccional Guerrero) is a prison for men located in Aguadilla, Puerto Rico, owned and operated by the Puerto Rico Department of Corrections and Rehabilitation. With a stated capacity of 944 inmates, it's among the three largest prisons in the territory.The facility was first opened in 1986 as a Community Therapy mental health unit (Comunidad Terapéutica de Guerrero) of the Puerto Rico Department of Health. It became a correctional facility in March 1997. As of 2008 about a third of its inmates were pre-trial detainees, and the others were serving longer sentences at minimum security. From 2002 to 2008, some 53 Guerrero inmates died inside the institution, all but one of them pre-trial detainees, and 73% of them within their first week behind bars, most of them homeless. An extensive report by the ACLU of Puerto Rico blamed the abuse of a horse tranquilizer, Xylazine, among inmates, and lack of appropriate medical attention and lack of accountability among prison officials.