洱源县ěr yuán xiàneryuanxianEryuan, a county in Dali Bai Autonomous Prefecture 大理白族自治州[Da4 li3 Bai2 zu2 Zi4 zhi4 zhou1], YunnanCharacters in this word县county, district, subdivision洱a lake in Yunnan province源springStudy it in Yanamino