*facepalm*
BLu-Ray games AND movies are region coded, most people say they're not because the US and Japan, share the same region.
Region A: Asiatic Islands, Korea, and the Americas
Region B: Central Asia, Central Eurasia
Region C: Greenland, Europe, Africa, and Australia
Blu-ray Disc - Wikipedia, the free encyclopedia
there's a map about half-way down on the right..