In this page you can find a list of authoritative jurisdictions that release licenses for gambling, both online and offline. It’s a very ticklish topic, but it’s worth knowing it perfectly if you want to play in an environment where the game is honest and fair and the player is likewise protected in case of a potential dispute. This is very important also because every country are being equipped themselves with its own laws concerning bets and online gaming, so what is valid in a State might not be valid as you cross the border.