Main Page | See live article | Alphabetical index Musashi (武蔵国; -no kuni) was an old province of Japan, which today composes Tokyo prefecture, most of Saitama prefecture and part of Kanagawa prefecture. Musashi bordered on Kai, Kouzuke, Sagami, Shimosa, and Shimotsuke provinces. The Japanese battleship IJN Musashi was named after this province. The article contains material from OpenHistory. This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.