Ryogoku is a town in Tokyo's Sumida Ward. It is notable for being the centre of sumo wrestling. Money raised from Sumo competitions was used to construct the temples in the area. Some attractions in Ryogoku include the Sumida River, the Ryogoku Bridge, and the Ryogoku Kokugikan stadium. The district is rich in Edo era history which is reflected in their buildings and way of life. Visitors may enjoy the authentic traditional cuisine at some of the local restaurants.