Hartwell is a village and civil parish in South Northamptonshire, bordering Buckinghamshire. The village is next to Salcey Forest and the M1 motorway. It is south of Northampton and north of Milton Keynes.
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.