DVD region codes:
Region 1 - Canada, the United States and U.S. territories.
Region 2 - Japan, Europe, South Africa, the Middle East (including Egypt) and Greenland.
Region 3 - Southeast Asia, and East Asia (including Hong Kong).
Region 4 - Australia, New Zealand, the Pacific Islands, Central America, Mexico, South America, and the Caribbean.
Region 5 - Eastern Europe, Russia, the Indian Subcontinent, Africa, North Korea, and Mongolia
Region 6 - China.
Region 0 - There is no region coding and it should work on all players.
The Blu-ray Disc region codes are as follows:
Region A: North America, South America, U.S. Territories, Japan, South Korea, Taiwan, and other areas of Southeast Asia
Region B: Europe, Africa, Middle East, Australia, and New Zealand.
Region C: Asia (except for Japan, Korea, Taiwan, and other areas of Southeast Asia)
Region FREE: This is not an official setting, but discs that have the region FREE symbol either have no flag set or have all region flags (A, B & C) set.