Mentioned by World Travel Family
London With Kids (By a London Mum!) All the Things to Do! 2021
"Hyde Park lies between Mayfair, Knightsbridge, and Kensington and is contiguous with Kensington Park and Gardens, but is considered a separate park. Park Lane runs along its eastern side and Marble Arch is at its northeast corner. Hyde Park is home to Speaker’s Corner and The Serpentine."