Saku

Saku occupies a high basin in eastern Shinano, crossed by the Chikuma River. At its western edge stands Komoro, where a castle town took shape in the turbulent closing years of the sixteenth century. Sengoku Hidehisa entered Komoro in 1590 and rebuilt its castle; the town later served travellers on the Hokkoku Kaidō, the road connecting the Nakasendō with the provinces on the Sea of Japan.