Sangre Grande in the largest town in northeastern Trinidad. It is east of Arima and southwest of Toco . Sangre Grande is the seat of the Sangre Grande Regional Corporation.

The name Sangre Grande means big blood, and it has been suggested that this town was named for a battle. However, this interpretation is not supported by historical records. In addition, the neighbouring town is called Sangre Chiquito (small blood). Sangre Grande grew as a result of the growth of cacao cultivation in the late nineteenth century. It grew further when it became the end terminus of the railroad. Construction of the railroad caused the town to migrate down the hill to meet the railroad. When the town relocated to the foot of the hill, the name Sangre Grande moved with it. As a result, the name of the pre-existing village, Cunapo, was largely, but not entirely, lost.