Sanada is a Japanese restaurant in Ginza, Tokyo, serving Nagano-style soba and tempura. It is a one-minute walk from Ginza Station Exit A1. The soba is made from 100% buckwheat in limited quantities, and the tempura includes fried sweet potato. Diners can add broth to the remaining soy sauce to drink, and can request that the soba be changed to 100% buckwheat.