Together with Primero, Segundo, Tercero, Quinto, and Sexto, Cuarto is one of the municipality's six core urban barrios.

[3] Cuarto is an urban barrio located in the southern section of the municipality, within the Ponce city limits, and southeast of the traditional center of the city, Plaza Las Delicias.

[4] In terms of barrio-to-barrio boundaries, Cuarto is bounded in the North by Barrio Tercero, in the South by Canas Urbano, in the West by Primero, and in the East by San Antón.

Cuarto is home to Parque de la Abolicion on its southwestern edge.

The Puerto Rico Islamic Center at Ponce (see side photo) is also located in Barrio Cuarto.