Added and unified name:ko on the US states. I removed the 주 suffix (which means "state") from those that had it. If you look at a state on Wikipedia you will see 주, but if you look at an actual Korean map they don't use it there.
OpenStreetMap is a map of the world, created by people like you and free to use under an open license.
Hosting is supported by UCL, Bytemark Hosting, and other partners.