St. Esprit Cathedral
Address: Cumhuriyet Caddesi No. 127/B, Pangaltı Şişli
Phone: (0212) 248 0910
Working Hours: Every day: 8:00-12:00 & 16:15-19:00
Also known as the Cathedral of The Holy Spirit, this is one of the main Catholic Churches of Istanbul, and was built by famous architect Gaspare Fossati under the direction of his colleague Julien Hillereau.
It has been visited by several different Popes, and located behind the doors of the French Notre Dame de Sion high school.