EuropeAlbaniaBosnia and HerzegovinaCroatiaHungaryMontenegroMotorbikesSerbiaSlovenia First trip as ADV Hoppers: Balkans (2019) by ADV Hoppers 8 January 2021 by ADV Hoppers 8 January 2021 The plan for the ADV Hoppers first trip was ambitious. We had just one week of… 0 FacebookTwitterPinterestWhatsappEmail