Dojima is a river located in Osaka, Japan. It flows through the city and is known for its historical significance during the Edo period, when it served as a vital transportation route for goods and people. The river is also famous for its scenic views and surrounding parks. In addition to its natural beauty, Dojima is associated with the Dojima Rice Market, which was established in the early 18th century. This market played a crucial role in the development of the rice trade in Japan, influencing the economy and culture of the region.