Epsom is a town with a market in the borough of Epsom and Ewell in Surrey, England. Some parts of Epsom are in the Borough of Reigate and Banstead and Mole Valley District. The town is south south-west of Charing Cross, within the contiguous urban area of London mapped by the Office for National Statistics. The town straddles chalk downland and the upper Thanet Beds. The eponymous racecourse at its edge holds The Derby at the start of summer which has become the name of a major annual competition across many sports in English-speaking countries. The town also gives it name to Epsom Salts which were identified from mineral waters here.

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