East Carlton is a village and civil parish in the county of Northamptonshire, on the southern ridge overlooking the Welland valley to the north and covers 1,645 acres (666 ha) on a long strip of land. It is 2 miles (3.2 km) west of the town of Corby and is administered as part of North Northamptonshire but was previously in the Corby borough until 2021. At the time of the 2001 census, the parish's population was 270, reducing to 259 at the 2011 census. East Carlton is one of the Thankful Villages that suffered no fatalities during World War I. Although in Northamptonshire, the village is in the Leicestershire LE16 postcode area.

Corby is a town and civil parish in the North Northamptonshire unitary authority area of Northamptonshire, England. It is located 23 miles (37 km) north-east of Northampton. From 1974 to 2021, the town served as the administrative headquarters of the Borough of Corby. At the 2021 Census, the built-up area had a population of 68,164 while the borough, which was abolished in 2021, had a population of 75,571 in 2021.