Azai Nagamasa was a daimyō during the Sengoku period of Japan. His clan, the Azai clan, were located in northern Ōmi Province, east of Lake Biwa. He was the brother-in-law of Oda Nobunaga, starting in 1564, and one of Nobunaga's enemies from 1570 to 1573. Nagamasa and his clan were destroyed by Oda Nobunaga in August 1573. Major battles of Azai Nagamasa include the battle of Anegawa in 1570 and the many sieges of Odani castle between 1570 and 1573.
Also known as
Officer
