For a typical 5-7 day trip exploring Istanbul's sights, we recommend an eSIM plan with at least 5-10 GB of data. This allows for extensive use of navigation apps like Google Maps around areas like the Grand Bazaar or Bosphorus, ride-sharing services, social media updates, and staying connected without constantly searching for public Wi-Fi.
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How much mobile data (GB) do I need for a week in Istanbul?
Updated May 30, 2026
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