Along with Playa, Bucana, Vayas and Capitanejo, Canas is also one of Ponce's five coastal barrios.

[3][a] Canas is a suburban and partly mountainous barrio located in the southern section of the municipality, west of the city of Ponce, at latitude 18.000283N, and longitude -66.658800 W.[4] According to Sunny A. Cabrera Salcedo in this Ph.D. dissertation, the name is of native American origin.

[9][10] In terms of barrio-to-barrio boundaries, Canas is bounded in the North by the Quebrada Limón and Portugués, in the South by the Caribbean Sea, in the West by the barrios of Encarnacion, Tallaboa Saliente, and Tallaboa Alta of the municipality of Peñuelas, and in the East by Magueyes, Magueyes Urbano, Canas Urbano, and Playa.

[11] Canas is divided into three subbarrios according to the U.S. Census Bureau: Baldorioty de Castro, Clausells, and Reparada.

Another notable land feature is the Penon de Ponce promontory near the shoreline which stands at 331 feet.