Yu County · Versions URL: https://knowledge.ivjn.us/en/places/yu/versions.html Yu County is a county in Zhangjiakou, Hebei, with administrative division code 130726. - rev 5 (2026-10-29) : 当前版本 https://knowledge.ivjn.us/en/places/yu/at/5.html Page 1 / 1, 1 total