Basilica Cistern Istanbul is among the most majestic historical structures in Turkey. In this article, you can find updated information about what is the Basilica Cistern in Istanbul, Istanbul Basilica Cistern entrance fee, the Basilica cistern Istanbul opening hours, in addition to Basilica Cistern Istanbul closed. The Basilica Cistern Istanbul Turkey, also known as “Sunken Cistern” is one of the...