 Kho'in (), also spelled as "Xo'in" an "Khoein", is located in "Ejarud" rural district of Zanjan Province at the end of a long valley.In recent decades the village has lost its centrality because of veering the road of Zanjan to Bijar from Xoin.In 1960, the farmers was growing fruits around on the slopes of the hills, but Xoin's Qanats were neglected; many of the houses deteriorated already and a number of inhabitants had been migrating to Tehran seeking works.