Which part of China does Jiaozhou refer to?

"Jiaozhou" refers to the present Shandong Peninsula, and "Manzhou" refers to the present three northeastern provinces. During the late Qing government period, the treaty of shimonoseki signed with Japan ceded JIAOZHOU Peninsula, which is now the northeast of Shandong Province. In the late Qing Dynasty and the early Republic of China, when the Japanese invaded China. 193 1 years ago, he fell to the northeast of China and wanted to rule China with China. Let the Qing emperor Puyi be the emperor of the puppet Manchukuo! So "Manchuria" at that time was the present northeast region.