[1] The historic hamlet is located about four miles south of Central Milton Keynes and just east of Simpson, mostly along Walton Road in the modern Walnut Tree district.

The Manor Farm has been redeveloped, first into a research centre for Hoechst and subsequently as the UK headquarters of MSD Animal Health.

Walton Community Council is the first tier of local government serving those living, attending and working in this area of Milton Keynes.

Browns Wood is a district in the south-east corner of the civil parish which, in the 2001 Census, also gave its name to an Office for National Statistics designated 'urban sub-area'.

The manor house itself, built in 1830 in the Regency style for the Pinfold family,[7] is home to the vice-chancellor's offices of the Open University.

[11] Walnut Tree is home to a local centre, including small shopping outlets and takeaway restaurants.

The district also contains a GP surgery, a sports injury clinic, a pub and a pet supplies store.

It is a mainly residential area which contains the Wavendon Gate junior school[14] and also a cricket green and pavilion[15] for recreational activities.

For the 2001 Census, the Office for National Statistics designated urban sub-areas called Walnut Tree and Browns Wood that are far bigger than the districts of that name.

[16] The Walnut Tree and Browns Wood urban sub-areas together approximated to that part of the former Newport Pagnell Rural District that is west of the River Ouzel and east of the M1.