三州 Sanshū
参州 Sanshū
三河国 Mikawa province
Relations
| Role | Entry | Locations | ||
|---|---|---|---|---|
| Bordering | 美濃国 Mino province | |||
| Neighbouring | 尾張国 Owari province | |||
| Bordering | 信濃国 Shinano province | |||
| Neighbouring | 遠江国 Tōtōmi province | |||
| Ferry | 志摩国 Shima province | |||
| Ferry | 伊勢国 Ise province | |||