Old Amersham is situated on the valley floor of the River Misbourne.This is a chalk stream which dries up periodically.14 villagers with 4 smallholders have 9 ploughs; a further 4 possible. Queen Edith was the wife of Edward the Confessor and sister of king Harold, and after her death in 1075, the land passed to William the Conqueror, who granted it to Geoffrey de Mandeville (died c. In 1200, his descendent Geoffrey de Mandeville (who became the Earl of Essex in 1213) obtained a charter for Amersham allowing him to hold a Friday market and a fair on 7 and 8 September.7 slaves; meadow for 16 ploughs; woodland 400 pigs. In 1613, another charter was granted to Edward, Earl of Bedford, changing the market day to Tuesday, and establishing a statute fair on 19 September.To this day, these Chiltern Railways stations display a characteristic Metropolitan Line architecture.The town features in the 1973 John Betjeman documentary Metro-land about the growth of suburban London in the 20th century.
Amersham on the Hill is built on the north side of the Misbourne valley, on a small plateau that forms the watershed between the Misbourne and the neighbouring River Chess.
Amersham sent two MPs to the unreformed House of Commons from 1625, and was considered a rotten borough until the Reform Act 1832 stripped it of its representation.
The town was then part of the county constituency of Buckinghamshire.
The town is located at the junction of the A355 road from Slough and Beaconsfield, the A404 road that links Maidenhead, High Wycombe and Harrow, the A416 road from Chesham and Berkhamsted and the A413 road, which runs from Aylesbury to Uxbridge.
Early trade at Amersham Market was in local grain, much of which was sold to London merchants.