Bertram's Hotel is a fictional establishment featured in the detective novel "At Bertram's Hotel" by Agatha Christie. The story follows the character Miss Marple, an elderly sleuth, as she investigates a series of mysterious events at the hotel, which is known for its old-world charm and traditional service. Set in London, the hotel attracts a mix of guests, including tourists and locals. Its elegant decor and refined atmosphere create a sense of nostalgia, while the plot unfolds to reveal secrets and intrigue among the guests, showcasing Christie's signature style of blending mystery with social commentary.