What does "region code" mean?

A code used on DVDs to identify which region's DVD player it will play in.

Region code

Common synonyms include: area code, geographic code, region descriptor, region lock, regional code, regional identifier.

noun

noun ·Rare ·Advanced level

Noun

1
A code used on DVDs to identify which region's DVD player it will play in.
2
A code used in DVD players to allow only DVDs being sold in that region to be played.
3
A two-character code used to identify a region in computer systems.