What's the meaning of 道郡?
“道“ &amp; “郡” were administrative division name.

in 秦 dynasty, the country is divided into 36 “郡“, each one is roughly the size of a province nowadays.



in 唐 dynasty, the country is divided into 15 “道“, each one is about the size of a province today.



county is an acceptable translation; however, i prefer “province”, or “state”.