元世祖至元十一年（1274年）置永昌州，屬雲南行省大理路。治所即今雲南省保山市。轄境相當今雲南省保山市、永平縣等一帶。至元十五年（1278年）升永昌州為永昌府。
參考文獻
- 《中國行政區劃通史·元代卷》
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