豊州 Hōshū
豊前国 Buzen province
Relations
| Role | Entry | Location | ||
|---|---|---|---|---|
| Ferry | 周防国 Suō province | 周防国 Suō province | ||
| Ferry | 長門国 Nagato province | 長門国 Nagato province | ||
| Neighbouring | 筑前国 Chikuzen province | 筑前国 Chikuzen province | ||
| Neighbouring | 豊後国 Bungo province | 豊後国 Bungo province | ||