This portion of National Register of Historic Places listings in Puerto Rico covers the eastern region of Puerto Rico, from Carolina in the northeast to Arroyo in the southeast. It also includes the islands of Culebra and Vieques.
Names of places given are as appear in the National Register, reflecting name as given in NRHP application at the date of listing. Note, the National Register name system does not accommodate Spanish á, ñ and other letters.