Siam BTS Station (English: Siam Station, code CEN) is a major elevated train station on the Chaloem Ratchamongkhon Line (BTS), serving as an interchange between the Sukhumvit Line and the Silom Line. It is strategically located in the heart of the Siam area, nestled between the major shopping complexes—such as Siam Discovery, Siam Center, and Siam Paragon—and the vibrant Siam Square. Elevated above Rama I Road, it is situated in the Pathum Wan District of Bangkok.