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.

Machine-based gaming is only permitted in land-based casinos, restaurants, bars and gaming halls and requires a licence. Slot machines in gaming halls and restaurants are regulated under federal law  the Trade Regulation Act and the Gaming Ordinance.