The Sablayan Penal Colony and Farm, a National Penitentiary in the Philippines, is located in:

The Sablayan Penal Colony and Farm is located in Occidental Mindoro, which makes this the correct answer. This facility, designed to serve both as a penal institution and a farm, fits within the broader correctional system in the Philippines, where various penal facilities are strategically distributed throughout the islands. Occidental Mindoro is known for its agricultural capacity, which aligns with the farm aspect of the facility, allowing inmates to engage in agricultural work as part of their rehabilitation process.

Understanding regional specifics can help contextualize the function of penal facilities and their connection to the local economy and rehabilitation programs. The choice of location in Occidental Mindoro also reflects logistical considerations for managing inmate populations and facilitating access to agricultural resources.