" Mayfair," north of Piccadilly, and " Belgravia," south of Knightsbridge, are common though unofficial names for the richest residential districts.
Many of the names of the rich residential streets and squares in the west have associations with the various owners of the properties; but Mayfair is so called from a fair held on this ground in May as early as the reign of Charles II.
Reverberations of the gossip of St James's and Mayfair extended to Bloomsbury in those days.
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