It is said that the most common surnames among Koreans are Kim, Park, Lee, Cui, and Zheng
As for why there are many people with the surname Lee...
That’s because the surname Lee There are many descendants of ancestors~ =,=^
In fact, there are the same surnames in North Korea, but the ancestors are different
Just like the surname Li just mentioned
Both There were those who created their own surnames or were given surnames during the Silla and Goryeo periods (such as Jeonju Lee, Gongju Lee, and Incheon Lee).
There were also those introduced from China, such as those aided by the Tang Dynasty. Descendants of the Silla general Li Mao (the ancestor of the Li family in Yan'an), the 24th generation grandson of Li Ban, a scholar of the Western Han Dynasty, Li Huang (the ancestor of the Li family in Gucheng), Li Zhilan, a Mongolian native of China (the ancestor of the Li family in Qinghai) who was the founding hero of Goryeo, a native of Longxi, and Han Le Li Zhen, the governor of Lang (the ancestor of the Li family in Anyue), etc.