Siege of Oshi

Siege of Oshi
Part of Supremacy of Toyotomi Hideyoshi
Oshi Castle
Date 1590 Location Musashi Province 36°8′13.74″N 139°27′10.36″E / 36.1371500°N 139.4528778°E / 36.1371500; 139.4528778 Result Toyotomi victory
Belligerents
Hōjō forces	Toyotomi forces
Commanders and leaders
Narita Nagachika Masaki Tanba Kaihime	Ishida Mitsunari Ōtani Yoshitsugu Natsuka Masaie Akaza Naoyasu Satake Yoshinobu Sanada Yukimura
Strength
619 samurai 2000 local peoples	23,000 troops

The 1590 Siege of Oshi (忍城の戦い, Oshi-jō no tatakai) was one of many battles in Toyotomi Hideyoshi's campaigns against the Hōjō clan during Japan's Sengoku period.