Explore details about location Calle 1A Sur. Calle 1A Sur is a location situated within the San Cristóbal alongside other areas such as Calle 27S, Calle 38 S, Carrera 1B. Additionally, some smaller parts of Calle 1A Sur include specific areas like Calle 3, Calle 2 Sur, Calle 8 S adding to the diversity of its landscape.