備州 Bishū
備前国 Bizen province
Relations
| Role | Entry | Location | ||
|---|---|---|---|---|
| Neighbouring | 播磨国 Harima province | 播磨国 Harima province | ||
| Neighbouring | 美作国 Mimasaka province | 美作国 Mimasaka province | ||
| Neighbouring | 備中国 Bitchū province | 備中国 Bitchū province | ||
| Ferry | 淡路国 Awaji province | 淡路国 Awaji province | ||
| Ferry | 讃岐国 Sanuki province | 讃岐国 Sanuki province | ||