| Wakayama Castle | |
| Nativename-A: | Japanese: 若山城 |
| Location: | Shūnan, Yamaguchi Prefecture, Japan |
| Type: | Yamajiro-style castle |
| Ownership: | Ōuchi clan, Sue clan |
| Condition: | ruins |
| Built: | 15c |
| Builder: | Sue clan |
| Demolished: | 1555 |
| Past Commanders: | Sue Okifusa, Sue Harukata |
| Events: | Siege of Wakayama Castle |
is the remains of a castle structure in Shūnan, Yamaguchi Prefecture, Japan. Its ruins have been protected as a Prefectural Historic Sites.[1] [2] It is located on a 217 meter mountain.[2] [3]
Wakayama castle was built by the Sue clan, one of the most important retainers of the Ōuchi clan and became a home castle of the Sue clan in the Sengoku period.[4] Sue Harukata improved and strengthened the castle before the Tainei-ji incident.[5]
The castle was attacked by the Mōri clan soon after the Battle of Miyajima, Harukata's son Nagafusa was defeated and he committed seppuku.[5] It is believed the castle was demolished by the Mōri clan after the fall of the castle.[5] [4]