Mahan(마한, 馬韓), one of three Hans (삼한, 三韓), which composed of Ancient Chosun(조선, 朝鮮), in Korean History, seems to be in Europe, when I check the explanations about Hans, written by Chinese History Books. If you want to look at the articles in detail, please, click the following site address to read (in Korean); https://blog.naver.com/lainfos/223840947526