Castle Gresley is a village and civil parish about 1.75 miles (2.82 km) southwest of the centre of Swadlincote in South Derbyshire, England. The population was 1,566 at the 2001 Census increasing to 1,799 at the 2011 Census. The village is about 1 mile (1.6 km) west of the village of Church Gresley.