Bayamoncito, Aguas Buenas, Puerto Rico

The Church of Nuestra Señora de la Concepción y San Fernando of Toa Alta (Spanish: Iglesia de Nuestra Señora de la Concepción y San Fernando de Toa Alta), better known as the Church of San Fernando of Toa Alta (Iglesia San Fernando de Toa Alta), is a historic Roman Catholic parish church located in the main town square (plaza pública) of Toa Alta Pueblo, the administrative and historic center of the municipality of Toa Alta, Puerto Rico. The original church dates to 1752, but the building was remodeled in 1826. It is a prime example of the churches built from 1720 to 1820 in Puerto Rico that have a single nave covered with a barrel vault. The church was added to the National Register of Historic Places (NRHP) on September 18, 1984 and on the Puerto Rico Register of Historic Sites and Zones in 2000. It is one of the 31 church buildings listed in the Puerto Rico State Historic Preservation Office's Inventory of the Historic Churches, and part of the Historic Churches of Puerto Rico MPS.

Mulita also spelled Mulitas is a barrio in the municipality of Aguas Buenas, Puerto Rico. Its population in 2010 was 266.

Juan Asencio is a barrio in the municipality of Aguas Buenas, Puerto Rico. Its population in 2010 was 2,819.

Naranjo is a barrio in the municipality of Comerío, Puerto Rico. Its population in 2010 was 1,915.

Monte Llano is a barrio in the municipality of Cidra, Puerto Rico. Its population in 2010 was 984.

Ceiba is a barrio in the municipality of Cidra, Puerto Rico. Its population in 2010 was 3,850.

Mula is a barrio in the municipality of Aguas Buenas, Puerto Rico. Its population in 2010 was 3,842. In Mula barrio is part of the Aguas Buenas urban zone.

Cejas is a barrio in the municipality of Comerío, Puerto Rico. Its population in 2010 was 829.

The 2010 Aguas Buenas earthquake, also referred to as the 2010 Christmas Eve earthquake (Spanish: Temblor de Nochebuena de 2010), occurred on December 24 at 7:43 p.m. local time in Aguas Buenas, Puerto Rico. It measured 5.1 on the moment magnitude scale and had a maximum Mercalli intensity of VI (Strong). The event was the largest in Puerto Rico since May 16th of the same year, and the largest to impact the San Juan metropolitan area since 1975. The earthquake was felt throughout the island of Puerto Rico, the island municipalities of Vieques and Culebra, the American and British Virgin Islands, and even in the Dominican Republic across the Mona Passage.

Cedrito is a barrio in the municipality of Comerío, Puerto Rico. Its population in 2010 was 1,191.

Sumidero is a barrio in the municipality of Aguas Buenas, Puerto Rico. Its population in 2010 was 8,008. In Sumidero barrio is part of the Aguas Buenas urban zone and the Santa Clara community.

The Arroyata River (Spanish: Río Arroyata) is a river of Cidra and Comerío, Puerto Rico.