Can you enter South Korea without a K-ETA?

No, most travelers from visa-waiver countries cannot enter South Korea without a K-ETA. The K-ETA is a mandatory electronic travel authorization required for foreign nationals from these countries who intend to visit South Korea for tourism, business meetings, short-term education, or family visits. Without an approved K-ETA, you will not be allowed to board your flight or ship to South Korea.

However, certain exceptions may apply, such as for diplomats, official duty personnel, and some specific visa holders. It is always best to check the latest requirements and exemptions on the official K-ETA website or with the nearest South Korean embassy or consulate before making travel