What are DVD and Blu-ray Region Codes?

The DVD Region system is used to control which DVD movies play on which DVD Players. The DVD regions are broken down as below. Region 0 makes DVD a region Free. By default, we make DVD region free unless otherwise specified.

DVD Region Codes
USA & Canada                                                           1
Europe & Japan                                                         2
Southeast Asia                                                           3
Latin America & Australia                                          4
Russia, Rest of Asia and Africa                                   5
China                                                                          6
International Venues, Cruise Ships, Planes, etc.          8

Blu-ray Region Codes
Americas, East, and Southeast Asia                                                                 A
Europe, Africa, Oceania, Middle East, French territories, Greenland               B
Central and South Asia; Mongolia, Russia, and People's Republic of China    C