Hyde Park is a 350-acre, historic Grade I-listed urban park in Westminster, Greater London. A Royal Park, it is the largest of the parks and green spaces that form a chain from Kensington Palace through Kensington Gardens and Hyde Park, via Hyde Park Corner and Green Park, past Buckingham Palace to St James's Park. Hyde Park is divided by the …Hyde Park is a 350-acre, historic Grade I-listed urban park in Westminster, Greater London. A Royal Park, it is the largest of the parks and green spaces that form a chain from Kensington Palace through Kensington Gardens and Hyde Park, via Hyde Park Corner and Green Park, past Buckingham Palace to St James's Park. Hyde Park is divided by the Serpentine and the Long Water lakes.