Yes. You can apply for K-ETA even if your place of birth is not listed in your passport.
In the place of birth field, enter the name of the city where you were born.
If you do not know your place of birth, you may enter UNKNOWN.
Do not enter a random location or provide inaccurate information simply because your passport does not show your place of birth.
Before traveling to Korea, enter accurate personal information and apply for K-ETA in advance.