The United States, for the purpose of DVD regional coding, is designated as Region 1. This region code is embedded within DVDs sold in the U.S. and is intended to restrict playback to DVD players manufactured and sold within the same geographic area. For instance, a DVD encoded with Region 1 will typically only play on DVD players designed for the North American market.
Region coding was implemented to allow film distributors to control the release timing and pricing of movies in different markets. This control allows for staggered releases to maximize revenue and address varying theatrical release schedules across the globe. Historically, this system has created consumer challenges, as imported DVDs from different regions often prove incompatible with locally purchased players.