What is Hopei?

Some articles on hopei:

He–Umezu Agreement - Background and History
... The Japanese Army demanded that That Hopei Provincial Chairman General Yu Xuezhong be dismissed from his posts That the Kuomintang cease all political activities in Hopei, including ... That the all Kuomingtang military forces withdraw from Hopei ...
East Hopei Army
... The East Hopei Army was raised from the former soldiers of the Peace Preservation Corps that had been created by the Tangku Truce of 31 May 1933 ... at the instigation of the Japanese proclaimed an Autonomous Government of Eastern Hopei in November 1935, with its capital at Tungchow ... The Peace Preservation Corps was disbanded and absorbed by the East Hopei Army and was trained by Japanese advisors, officers from the Kwantung Army, who drilled the ...
East Hopei Army - Operations
... December 1935, 4th Detachment of the East Hopei Army attacked the Nationalist held towns of Taku and the port of Tangku ... from the 32nd Army killed two of the East Hopei soldiers and the rest retreated ... The East Hopei Army then occupied the two towns ...