Siam Square One is the latest shopping mall to open in Siam Square, the fashionable centre of Bangkok, where you can find all the latest trends. The top floor of Siam Square One will feature a Sky Hall and Roof Garden and promises some interesting views of the surrounding area. Siam Square One shopping mall is extremely convenient: take the BTS Skytrain to Siam Station and you will see it as you exit the train. Following the current trend, most of the restaurants here are based around Japanese food, with a range of shabu-shabu, Korean barbeque (yakiniku) and sushi outlets