I was following a map, and I realized that I put Nubswood in the wrong place. I've already placed four more locations though, and I don't think that I can play the game all over again. Is there some way to fix this, or do I have no choice but to play it again?
You have no choice, once the position is placed, it is fixed for the rest of the game. However, the end result may just be you miss out on some items, but none of the items you obtain are irreplaceable.