The Berkeley is a luxurious 5-star hotel located in the heart of Knightsbridge, London. The hotel offers a complimentary breakfast buffet with a wide range of options, including fresh pastries, fruits, cereals, and hot dishes. The hotel's restaurant, Marcus, also offers a delicious breakfast menu for guests who prefer a more formal dining experience. The Berkeley is known for its exceptional service and contemporary decor, making it a popular choice for travelers seeking a luxurious stay in London.