Bulgaria: Bulgaria uses Lev (BGN), not euros. Revolut gives you the real exchange rate.
Czech Republic: Czech Republic uses CZK, not euros. Revolut auto-converts at the interbank rate.
Estonia: Estonia uses the Euro. Cash is rarely needed anywhere.
Hungary: Hungary is more cash-friendly than Western Europe. Use Revolut to withdraw HUF without fees for markets.
Latvia: Latvia uses the Euro. Revolut is mainly useful for non-Eurozone visitors.
Poland: Poland uses PLN, not Euro. Revolut's real-time conversion saves you compared to standard bank cards.
Romania: Romania uses RON, not euros. Revolut lets you spend without markup fees.
Serbia: Serbia uses RSD. Revolut gives the real interbank rate without markup.
Sweden: Add Revolut to Apple Pay or Google Pay. This is the best substitute for Swish that international travelers can set up.