First visit in Masuria? This guide collects the most common questions and advice. Before departure Check visa requirements (most EU citizens visa-free up to 90 days). Travel insurance mandatory. Credit card + some cash in local currency. What to take Electrical adapter, small first aid kit, universal chain/plug. Clothes in layers — weather can surprise. First day Don't plan many attractions. Short walk, early dinner, early to bed to fight jetlag. Communication A few words of the local language welcome. Prepaid SIM — best data solution. Advice The ForAll portal has a „must-know" list for every new country + verified reservations.