Ascot (or Ascott) is the name of more than one place.
The name is Anglo Saxon in origin, and means 'eastern cottage'.
In horse racing, Ascot is the name of a race course in Berkshire:
An ascot is also an article of clothing. It is similar to a cravat with wide square ends, usually held in place with a decorative pin and is named after Ascot Racecourse.