VIA ISTRA application is used to purchase a tourist card that the user can use when visiting the County of Istria (Croatia).By entering the application, the user must register and login in order to be able to purchase one of the offered VIA ISTRA cards later. The buyer/user selects one of the offered cards and makes the final payment, after which he receives a digital card in the form of a QR code via e-mail. The VIA ISTRA card contains numerous benefits for visitors - cheaper visits to museums and sights, cheaper use of public transport and numerous other discounts on services and attractions from the tourist offer of the Istrian County, and the VIA ISTRA application serves for a simpler display of benefits and for an easier process of buying cards.