The ETravelSim Poland eSIM works across Warsaw, Krakow, Gdansk, Wrocław, Poznań, Łódź, and Lublin with strong 4G/LTE coverage on the Plus network. Expect reliable signal at Warsaw Chopin Airport (WAW), Krakow John Paul II Airport (KRK), Warsaw Old Town, the Royal Castle, Gdańsk's Long Market and Sopot, the Wrocław Market Square with its iconic dwarves, and along major motorways including the A1, A2, and A4. Use it for Google Maps, Bolt rides, JAKDOJADE transit app, hotel bookings, and WhatsApp without interruption.