Siege of Odawara (1561)

First Siege of Odawara
Part of Sengoku period
One corner tower of Odawara Castle today
Date 1561 Location Odawara Castle, Sagami Province, Japan 35°15′2.99″N 139°9′13.00″E / 35.2508306°N 139.1536111°E / 35.2508306; 139.1536111 Result Hôjô victory Uesugi withdrawal, castle town burned
Belligerents
Uesugi clan forces	Hōjō clan forces
Commanders and leaders
Uesugi Kenshin Uesugi Norimasa Satomi Yoshihiro Oda Ujiharu Utsunomiya Hirotsuna Satake Yoshiaki Oyama Hidetsuna Nasu Suketane Ōta Sukemasa Mita Tsunahide Narita Nagayasu	Hōjō Ujiyasu Hōjō Ujimasa Hōjō Ujiteru Hōjō Tsunashige
Strength
90,000–113,000[1]	15,000
class=notpageimage| Location within Kanagawa Prefecture Show map of Kanagawa Prefecture Siege of Odawara (1561) (Japan) Show map of Japan

In the 1561 siege of Odawara, a battle of Japan's Sengoku period, Uesugi Kenshin attacked Odawara castle. This was the first of several sieges which would befall Odawara castle, the home castle of the Hōjō clan.