后杭盖省位于蒙古国中部，面积5.5万平方公里，人口约10万，省会策策尔勒格市，首都距乌兰巴托市453公里。后杭盖省成立于1923年，是蒙古国较早成立的4省份之一。

　　后杭盖省风景秀丽，是蒙古国著名的旅游胜地。省内拥有许多温泉和火山爆发后产生的塔尔赫查干湖、呼赫湖，还有塔米尔自然保护区和迷人的额尔登布拉格山峰等风景区，以及太哈尔楚鲁、哈沙特县的碑文、柴达木的毕利格汗碑文、浩通特县的维吾尔汗古都旧址等历史文化遗址。

农牧业为后杭盖省的支柱产业，畜牧业尤为发达，牲畜数量居蒙古国之首，是奶制品加工业发达省份之一，也是蒙古马奶酒的酿造中心。后杭盖省主要探明的矿产有黄金、铁矿等，工业、建筑业、运输、邮电等近年来迅速发展。

    2014年10月17日，云南省代省长陈豪与后杭盖省省长巴特额尔登在昆明正式签署了缔结友好城市关系协议书。自结好以来，双方积极开展人员往来，积极探讨在友城框架下开展务实性合作。2015年，云南省为2名后杭盖省高中毕业生提供2015/2016学年度云南省政府奖学金，在云南大学攻读学士学位学历。

Arkhangai Province, Mongolia

　　Arkhangai Province, located in central Mongolia, has an area of 55,000 square kilometers and a population of about 100,000. Its capital city Tsetserleg is 453 kilometers from Mongolia’s capital city Ulan Bator. Established in 1923, Arkhangai is one of the four earliest provinces in Mongolia.

　　As a famous tourist destination in Mongolia, the province boasts beautiful landscapes. Places of natural and historical interests in Arkhangai include Terkhiin Tsagaan Lake created from volcanic eruptions, a great number of hot springs, the Tamir Nature Reserve, E'erdeng Bulage Mountains, as well as ancient inscriptions in Hashaat Sum, the Bilge Khan inscriptions in Qaidam, and the Uyghur Khaganate ancient site in Khotont Sum.

Agriculture and animal husbandry are pillar industries of the province, the latter being particularly developed, with the largest number of livestock across Mongolia. It is also one of the developed provinces in dairy processing industry and Mongolia’s horse milk wine brewing center. The proven minerals found in Arkhangai include gold and iron, etc. In recent years, the province has seen rapid development in its industry, construction, transportation, telecommunications and more.