Grosvenor Square is a large public square located in the heart of Mayfair, London. It is known for its elegant gardens and historic buildings, making it a popular spot for both locals and tourists. The square is surrounded by impressive architecture, including several embassies and luxury residences. The square has a rich history, dating back to the 18th century when it was developed by the Grosvenor family. It features a central garden area, which is often used for events and gatherings. Grosvenor Square is also home to the American Embassy, adding to its significance in international relations.