Siege of Minamata Castle
Part of Sengoku period
Date 16–17 September 1581 Location Minamata castle, Higo Province 32°13′0.001″N 130°24′0.000″E / 32.21666694°N 130.40000000°E / 32.21666694; 130.40000000 Result Shimazu victory
Belligerents
Shimazu clan	Ōtomo clan Sagara clan
Commanders and leaders
Shimazu Toshihisa Shimazu Iehisa Niiro Tadamoto Uwai Kakuken	Sagara Yoshihi
Strength
115,000[1]	700
Location within Kumamoto Prefecture Show map of Kumamoto Prefecture Siege of Minamata Castle (Japan) Show map of Japan

The siege of Minamata Castle was a short siege of the castle of Minamata.

Minamata was the entry point for the Ōtomo lands in Higo province, the castle was guarded by Sagara Yoshihi with 700 soldiers.^[2]

When Shimazu Toshihisa and Iehisa encamped near the castle with 115,000 men, Yoshihi was forced to surrender.^[3]

Later, Yoshihi was killed in a surprise attack by Kai Soun's army in the Battle of Hibikinohara.^[4]