Yiyuan County is a county in the centre of China's Shandong province and is located in the deep Tai-yi Mountains, and is the southernmost county-level division under the jurisdiction of Zibo City. It

Zibo is a prefecture-level city in central Shandong province, China. It borders the provincial capital Jinan to the west, Tai'an to the southwest, Linyi to the south, Weifang to the east, Dongying to