var counties={"161":"桥东区","162":"桥西区","163":"宣化区","164":"下花园区","165":"宣化县","166":"张北县","167":"康保县","168":"沽源县","169":"尚义县","170":"蔚县","171":"阳原县","172":"怀安县","173":"万全县","174":"怀来县","175":"涿鹿县","176":"赤城县","177":"崇礼县"}