AttractionWikimedia Commons
Underground mosque in Istanbul. (description from Wikidata)
İstanbul · Karaköy
© OpenStreetMap contributors
Best time to go
Indoors and air-conditioned, so it works in any season.
Visitors are usually asked to avoid prayer times; check the mosque's own visiting hours.
Events at Yeraltı Camii
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Nearby
About this page
Sources: OpenStreetMap · Wikidata Q12885210 · Wikipedia
Where this comes from: name — OpenStreetMap (checked 2026-11-04). When sources disagree we use the venue’s official website.
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Place data: © OpenStreetMap contributors (ODbL) · Wikidata (CC0)