Highlights• First Christian cathedral in the world• Enjoy exploring Hagia Sophia• Unlimited stay inside• Audio guide on your own smartphone in 10 languagesBuy your Hagia Sophia Ticket Online, enjoy benefit of the audioguide App!Hagia Sophia is a monumental building, which was for 1.000 years the biggest Church on Earth and since 1453 converted into a Mosque.We will give you your Hagia Sophia entrance ticket and audioguide online. You will stay inside for as long as you wish and enjoy Hagia Sophia and with your audio guide you will not miss any historical information about this monumental building, which was the biggest Church on Earth for 1.000 years and since 1453 converted into a Mosque. Important Information To save time, you should have the audiotour downloaded on your phone before you visit Hagia Sophia.How does it workAfter your order you will receive a confirmation with the meeting point at the Hagia Sophia, and the download details for our Hagia Sophia Audio App.LanguagesAudioguide App available in English, French, German, Italian, Polish, Russian, Spanish, Turkish, Arabic and Chinese.