Duey is a barrio located in Yauco, a municipality in the southwestern region of Puerto Rico known for its coffee production and mountainous terrain. Situated within this agricultural heartland, Duey encompasses approximately 8.56 square kilometers and represents a largely rural area typical of inland Yauco. The barrio's landscape reflects the topography of the southwest interior, with elevation changes and vegetation consistent with the coffee-growing zones that have historically defined this part of the island.

As a rural barrio in an agricultural municipality, Duey is characterized by dispersed settlement patterns and larger land parcels rather than dense urban or suburban development. Properties in this area tend toward acreage suitable for farming, forestry, or residential use on substantial plots rather than small urban lots. The barrio's land use reflects Yauco's traditional economic base, where many properties remain tied to agricultural operations or rural residential purposes. Visitors and residents experience a working landscape defined by green terrain and open space, quite different from coastal or densely built municipalities elsewhere in Puerto Rico.

The property records maintained by CRIM, Puerto Rico's property registry, contain cadastral information for parcels within Duey, allowing property owners and researchers to access detailed ownership and land data for this barrio.

Yauco: Yauco, in the southwest mountains, is known as "La Ciudad del Cafe" for coffee cultivation heritage. The municipality offers mountain properties, agricultural land, and traditional Puerto Rican character at accessible prices. Coffee culture and historic downtown provide cultural appeal.