Sumiyoshi-ku is one of 24 wards of Osaka, Japan. It is located on the southern part of the Uemachi Plateau, in the southernmost part of Osaka City, and is separated from Sakai City's Sakai-ku and Kita-ku by the Yamato River. There are six rail lines, and three main thoroughfares- Abiko-Suji, Abeno-Suji and Nagai Koen-Dori, which runs east–west and connects the area with the port to the west.