The Guaynabo (GNIS FID: 1610863) is a community or populated place (Class Code U5) located in Guaynabo Municipio at latitude 18.3575 and longitude -66.111. Guaynabo Municipio is in the Atlantic time zone (GMT -4). The elevation is 154 feet.
The formal official name is the Guaynabo, but most people and references simply refer to it as Guaynabo, Puerto Rico.
The U5 Census Class Code for Guaynabo indicates a populated place that is also a census designated place with the same name.. The Census Designated Place has a Functional Status Code "S" which identifies a statistical entity.
The formal boundaries for the Guaynabo (see map below) encompass a land area of 12.04 sq. miles and a water area of 0.17 sq. miles.