Region 1 - The U.S., U.S. territories and Canada
Region 2 - Europe, Japan, the Middle East, Egypt, South Africa, Greenland
Region 3 - Taiwan, Korea, the Philippines, Indonesia, Hong Kong
Region 4 - Mexico, South America, Central America, Australia, New Zealand, Pacific Islands, Caribbean
Region 5 - Russia, Eastern Europe, India, most of Africa, North Korea, Mongolia, former USSR countries
Region 6 - China
Region 7 - Reserved
Region 8 - Airlines, Cruise Ships
Region 0 - Discs that are uncoded and can be played Worldwide, however, PAL discs must be played in a PAL-compatible unit and NTSC discs must be played in an NTSC-compatible unit.
Hope that helped.