xī lín guō lè
see 錫林郭勒盟|锡林郭勒盟[Xi1 lin2 guo1 le4 Meng2]
锡
xī
tin (chemistry)
林
lín
(bound form) woods; forest
郭
guō
outer city wall
勒
lè
(literary) bridle; halter; headstall