His reign is considered a golden age in Unified Silla's history, particularly for Buddhist art and architecture.

[4] King Gyeongdeok also made attempts to centralize the country through reorganizing government and standardizing naming practices.

[2][11][12] King Gyeongdeok also constructed a Jangsaenpyo at Borimsa to express his gratitude for the support of Master Wanpyo in his administrative endeavors.

[14] King Gyeongdeok attempted further centralization of Korea through organization of government and post naming conventions.

Records in the Samguk sagi show a list of toponyms from Silla and Korea's conquered kingdoms of Goguryeo and Baekje that were standardized to Chinese names in 757.