Hoddesdon is a town in the Broxbourne borough of the English county of Hertfordshire, situated in the Lea Valley. It grew up as a coaching stop on the route between Cambridge and London. It is located 3 miles (5 km) West of Harlow 4 miles (6 km) southeast of Hertford, 5 miles (8 km) north of Waltham Cross and 11 miles (18 km) southwest of Bishop's Stortford. At its height during the 18th century, more than 35 coaches a day passed through the town. https://en.wikipedia.org/wiki/Hoddesdon
The overlays that highlight 17th century London features are approximate and derived from:
Open location in Google Maps: 51.762404, -0.011574
Chart showing the number of references in each month of the diary’s entries.