Owari Province (尾張国 Owari no kuni) was a province of Japan in the area that today forms the western half of Aichi Prefecture, including the modern city of Nagoya. The province was created in 646. Owari bordered on Mikawa, Mino, and Ise Provinces. Owari and Mino provinces were separated by the Sakai River, which means "border river." Its abbreviated form name was Bishū (尾州). Owari is classified as one of the provinces of the Tōkaidō. Under the Engishiki classification system, Owari was ranked as a “superior country” (上国) and a “near country” (近国), in relation to its distance from the capital.