 St. James's Park lies to the north, whilst to the south are the backs of buildings on Old Queen Street, Queen Anne's Gate and Petty France, and, at the western end, the Wellington Barracks of the Brigade of Guards.The street is named after the Royal Menagerie and Aviary which were located there in the reign of King James I.King Charles II expanded the Aviary when the Park was laid out from 1660.