Some prominent jurisdictions where online gambling is legal and regulated include the United Kingdom, Malta, Gibraltar, Isle of Man, and Alderney. These countries have established licensing authorities that oversee online gambling operators, ensuring consumer protection and fair play.

Most EU countries allow some form of gambling to be offered on the Internet, others permit all games, and others permit only certain types, such as betting, poker, or casino games. Monopolistic regimes providing online gambling services have been established in some European jurisdictions.