Any combination of regions can be applied to a single disc. For example, a DVD designated Region 2/4 is suitable for playback in Europe, Latin America, Oceania, and any other Region 2 or Region 4 area. So … See more

One purpose of region coding is controlling release dates. One practice of movie marketing which was threatened by the advent of digital home video was the tradition of releasing … See more

Blu-ray Discs use a much simpler region-code system than DVD with only three regions, labeled A, B and C. As with DVDs, many Blu-rays are encoded region 0 (region free), … See more

Region coding was criticized for facilitating unlawful market control strategies, such as price fixing. Sale of region-coded DVDs are illegal in New Zealand.
Oceania See more

Region-code enhanced, also known as just "RCE" or "REA", was a retroactive attempt to prevent the playing of one region's discs in another region, even if the disc was played in a region-free player. The scheme was deployed on only a handful of discs. … See more

Standalone DVD players
Usually a configuration flag is set in each player's firmware at the factory. This flag holds the region number that the machine is allowed to play. … See more

For the UMD, a disc type used for the PlayStation Portable, UMD movies have region codes similar to DVDs, although many PSP games are region-free.
• Region … See more