Hyde Park, located in central London, is a massive 350-acre urban park that has been around since the days of Henry VIII. It's like the OG of parks in London, with a history dating back to the 16th century when it was used as a hunting ground. Over the years, it's become a popular spot for all sorts of events, from May Day parades to rock concerts and even protests. Plus, it's got some cool features like the Serpentine lake and Speakers' Corner where people can speak their minds freely. So basically, Hyde Park is like the ultimate chill-out spot in the heart of the city.