Puerto Rico

San Juan is the capital city and most populous municipality in Puerto Rico, an unincorporated territory, and insular area of the United States. San Juan was founded by Spanish colonists in 1521, who called it Ciudad de Puerto Rico.

Bayamón is a city and municipality in Puerto Rico. Located on the northeastern coastal plain, it is bounded by Guaynabo to the east, Toa Alta and Naranjito to the west, Toa Baja and Cataño to the north, and Aguas Buenas and Comerío to the south. Part of the San Juan metropolitan area, Bayamón is spread over 11 barrios and the downtown area and administrative center of Bayamón Pueblo.

Carolina is a city and municipality on the northeastern coastal plain of Puerto Rico, immediately east of San Juan and Trujillo Alto, north of Gurabo and Juncos, and west of Canóvanas and Loíza. Part of the San Juan metropolitan area, Carolina encompasses 12 barrios, in addition to the downtown area and administrative center of Carolina Pueblo.

Ponce is a city and a municipality on the southern coast of Puerto Rico. The most populated city outside the San Juan metropolitan area, Ponce was founded on August 12, 1692 and is named after Juan Ponce de León y Loayza, the great-grandson of Spanish conquistador Juan Ponce de León. Ponce is often referred to as La Perla del Sur, La Ciudad Señorial, and La Ciudad de las Quenepas.

Caguas is a city and municipality in central eastern Puerto Rico. Located in the eponymous Caguas Valley between the Sierra de Cayey and Sierra de Luquillo of the Central Mountain Range, it is bordered by San Juan and Trujillo Alto to the north, Gurabo and San Lorenzo to the west, Aguas Buenas, Cidra and Cayey to the east, and Patillas to the south.

Guaynabo is a city and municipality on the northeastern coastal plain of Puerto Rico. Located west of the capital San Juan, east of Bayamón, south of Cataño and San Juan Bay, and north of Aguas Buenas, Guaynabo is spread over 9 barrios and the downtown area and administrative center of Guaynabo Pueblo.