Nether Heyford is an English village and civil parish 6 miles (9.7 km) west of Northampton off the A45 road, in the shire county of Northamptonshire, also known as Northants. It is 72 miles (116 km) north of London and 38 miles (61 km) southeast of Birmingham. The village of Upper Heyford is about 0.5 miles (0.8 km) to the north of the village close to the A45 road and is also part of Nether Heyford Parish.
These two maps show the boundaries of the individual civil parishes in the county in 1900 and in 1944. Comparing the two on a local level allows one to understand the alterations (should there be any) which occurred during the interim period which are noted in the text above.