豆州 Zushū
伊豆国 Izu province
Relations
| Role | Entry | Location | ||
|---|---|---|---|---|
| Bordering | 駿河国 Suruga province | 駿河国 Suruga province | ||
| Neighbouring | 相模国 Sagami province | 相模国 Sagami province | ||
| Ferry | 駿河国 Suruga province | 駿河国 Suruga province | ||
| Ferry | 遠江国 Tōtōmi province | 遠江国 Tōtōmi province | ||
| Ferry | 相模国 Sagami province | 相模国 Sagami province | ||
| Ferry | 安房国 Awa province | 安房国 Awa province | ||