Stanstead St. Margaret, often abbreviated to St Margarets, is a village and civil parish in the East Hertfordshire District of Hertfordshire, England. It is located half way between the towns of Hoddesdon and Ware. The village is separated from the village of Stanstead Abbots by the River Lea, and had a population of 1,318 at the UK census of 2001.
The Greenwich Meridian (longitude 0°) passes through the village with its exact position marked by Meridian obelisks which were erected in 1984 to commemorate the centenary of the adoption of the prime meridian line. (The software used by WeRelate will not accept zero degrees as a legitimate longitude in the box above.)