- Zone A (button 1) : North America, South America, US territories, Japan, South Korea, Taiwan and other Southeast Asian regions.
- Zone B (button 2) : Europe, Africa, Middle East, Australia and New Zealand
- Zone C (button 3) : Asia (excluding Japan, Korea, Taiwan and other parts of Southeast Asia)
- No zone : This is not an official naming. Discs without geographical restriction have no symbol and no region indicated.
NOTE : Region codes for commercial movies are on the back of the Blu-ray cover but some mistakes can occur on some covers.
Blu-ray disc UHD are not limited to regions. They can be played on all the players that are compatible with this technology. DVD with menus from any regions are played without any user operation.