The difference between Goguryeo and Goryeo is:

1. The ethnic groups that founded the Goguryeo and Goryeo dynasties are completely different.

Goguryeo regime for the Western Han Dynasty Jianzhao 2 years (37 BC) by the Fuyu people Zhu Meng established in the Western Han Dynasty Xuantu County Goguryeo County within the territory of the border regime, whose territory spans part of northeastern China and the northern part of the Korean Peninsula. The Goryeo Dynasty, on the other hand, was a great unified dynasty established on the Korean Peninsula by the Goryeo people, mainly Silla and Baekje people, and the legal system of the regime was derived from the Silla regime, which unified the Korean Peninsula.

2, the region is different.

Goguryeo was a regime spanning the northeast of China and the northern part of the Korean Peninsula, while the Wang's Goryeo regime was a regime established on the Korean Peninsula.

The Goguryeo regime was established on the plains of the region near the Hun River, a tributary of the Heilongjiang River in northeast China, and later expanded to the eastern and southern parts of the Yalu River and extended its territory to the Tumen River region. The capital of the Goguryeo regime was initially located in Huanren County in today's Liaoning Province, later moved to Ji'an County in Jilin Province, and finally relocated to Pyongyang, the capital of today's North Korea.

3. The time of the establishment of the two countries, and the final development is not the same.

Goguryeo was established earlier, in 37 BC, Goguryeo after the establishment of the state and China's central dynasties between the contact has never been interrupted. To the Sui and Tang dynasties, the Sui emperor and the Tang dynasty's Li Shimin, Li Zhi two emperors out of the recovery of their homeland, to maintain the unity of the considerations, and constantly send troops to attack Goguryeo, Goguryeo in A.D. 668 by the Tang and the new allied forces destroyed.