Ok, here's the matter, I try to play an all random map, with random civilizations, and it seems to work out all right the scenario is always different, different resources, different civilization under my control... A few turns and I meet the first AI, it's the Maya. Then I meet the second, it's the Americans. The third is the Incas. Then the Aztecs. Then the Iroquois. Then if I'm lucky I can see some Japanese or the French. Why no matter how many games I play, wichever civ I control, I always have civs from the Americas around me?!? Even if it has to be only one opponent on the map, it's going to be either the Maya or the Inca. 
I played civIII for years and I never had this issue before. It's sad, I want to change neighbours.

I played civIII for years and I never had this issue before. It's sad, I want to change neighbours.