Nanzhao

State · 741–910 CE · at its largest around 830 CE

A kingdom centred on the Erhai lake region of Yunnan, which allied by turns with Tang China and Tibet. It collapsed in 902.

On its lands while it lasted

Co Loa Citadel (c. 256 BCE – c. 965 CE): Capital of Âu Lac (256 BCE–207 BCE), Ngô Dynasty (947–965).
Du Fu (712 CE – 770 CE): Tang dynasty poet whose verse on war and social suffering earned him the title "Poet-Historian".
Dali (c. 779 CE): Capital of Nanzhao (779–902), Kingdom of Dali (947–1253).