Licensing and Regulation Information TopBet. eu is licensed and regulated by Curacao E-Gaming. If you’ ve never heard of it, that’ s not surprising. Curacao is one of the smallest countries in the world— it’ s a great island in the Dutch Carribbean. (You might never have heard of that area of the world, possibly. It used to be called the Netherland Antilles. ) To get their gambling license with the Curacao government, TopBet. .