WinPrincess is a reputable online betting website. It specializes in live dealer casino games as well as offers streaming services for iGaming operators. The company was founded in and is based in Buenos. Winprincess | Online Casino | SportsBook in Tanzania. . WinPrincess, online, sports Betting Casino, site in, tanzania, bonus Argentina (+54), Armenia (+), Aruba (+), Australia (+61), Austria. Login Argentina, Aruba, Barbados, Bahamas, Belize, Bermuda, Bolivia, Bonaire. ×. Register Login. They offer a wide range of betting services, including sports betting, casino games, and virtual sports.