In addition, he established a secondary capital of 北原 (Wonju City, Gangwon Province) at the site of 平原城 Castle in Goguryeo in 678, and another secondary capital of 金官 (Gimhae City, South Gyeongsang Province) in Gaya County in 680 as a base to govern local areas while trying to disseminate the culture of the imperial capital Geumseong.
また、678年には高句麗の平原城跡に北原小京（江原道原州市）を、680年には加耶郡に金官小京（慶尚南道金海市）を置いて地方統治の拠点とし、あわせて王都金城の文化の普及に努めた。