From the longer Wikipedia page 
Edmonton is an area in the east of the London Borough of Enfield, 8.6 miles (13.8 km) north-north-east of Charing Cross. It has a long history as a settlement distinct from Enfield.
The old highway Ermine Street passed through what is today Edmonton. Ermine Street was the main Roman Road from London through Lincoln and on to York. Edmonton appears in the Domesday Book of 1086, where it is recorded as Adelmetone- 'a farmstead or estate of a man called Ēadhelm' from an Old English personal name and tūn.
Edmonton Hundred was a division of the historic county of Middlesex from Saxon times, an area of some 31,000 acres (125 km2) stretching up the west bank of the Lea from Tottenham to the county boundary south of Waltham Cross, and west into what is now Hertfordshire as far as South Mimms. Local government in the modern sense began in 1837 with the Edmonton Union, set up under the Poor Law Amendment Act 1834. This also covered a wide district of 47,102 acres (191 km2), including the modern boroughs of Haringey and Enfield, plus Cheshunt, Waltham Abbey and Waltham Cross. The town hall was built in 1884 and extended in 1903.