旧国名
Meanings
1
old provincial names; ritsuryō-era place names
Refers to the names of the historical provinces of Japan used during the ritsuryō period (7th–10th centuries). Often encountered in historical contexts, literature, or when discussing traditional regional identities.
Under the old provincial names, present-day Osaka Prefecture was divided into Izumi Province and Kawachi Province.
It's tough to memorize the old provincial names in history class.