Yorii Town in Osato District once flourished as a post town. With Hachigata Castle located across the river from the town, it also has a history as a castle town. Its industries include manufacturing and commerce. The town plays an important role in the manufacturing sector, hosting production bases for famous car models. Tourist attractions include the Saitama Prefectural River Museum, Tamayodo Dam, Fufu River's Fufu Falls, and the Bushu Yorii Seven Lucky Gods. Events include the Yorii Hojo Festival in April, the Yorii Summer Festival in July, and the Yorii Town Industrial and Cultural Festival Hometown Festival in November. Yorii Town in Osato District is also known for its beautiful natural environment, including a water source selected as one of Japan's 100 best water sources and a forest selected as one of Japan's 100 best forests.