Our trip in central Europe lasted 25 days and covered Germany, Croatia, Hungary, Czech Republic, and Austria. Visiting this much countries meant we had to cross borders multiple times. Thankfully, there wasn’t any need for border control when moving between schengen states. The only non-schengen country we visited was Croatia. The other concern when vacationing in multiple countries nowadays is staying connected. The choices to address this will normally be between a prepaid sim card and a pocket wifi. We chose the former since there’s just two of us and it eliminates the need to think about pick-up, return, and deposit.   We were fortunate because the European Union abolished roaming…