Koreans are an East Asian ethnic group native to Korea. The majority of Koreans live in the two Korean nation states of North and South Korea, which are collectively referred to as Korea. As of 2021, an estimated 7.3 million ethnic Koreans resided outside of Korea.

1. Descendants of the Sun. This drama tells of the love story that develops between a surgeon and a special forces officer.

In addition to what everyone else has said, Kdramas (just like Japanese anime) had international exposure much more earlier than cdramas.