The city abounds with churches of various denominations. A few churches of particular interest are:

Orthodox Church Patriarchate
The Orthodox Church Patriarchate is located in Fener on the upper reaches of the Golden Horn.

Catholic Churches
St. Antonie
Istiklal Cad. 325, Beyoglu
Tel: (212) 244 09 35

St. Esprit Cathedral
Cumhuriyet Cad. 205/B, Harbiye
Tel: (212) 248 09 10

St. Luis de Francis
Postacilar Sok. 11, Beyoglu
Tel: (212) 244 10 75

Church of the Assumption
Cem Sok. 5, Moda
Tel: (0216) 336 03 22

Orthodox churches
Aya Triada
Meselik Sok. 11/1, Taksim
Tel: (212) 244 13 58

Church of St. George
Sadrazam Ali Pasa Cad., Fener
Tel: (212) 531 51 52
Greek Orthodox Patriarchate

Protestant Church
German Protestant Church
Emin Cami Sok. 40, Beyoglu
Tel. (212) 250 30 40

Anglican churches
Christ Church
Serdari Ekrem Sok. 82, Tunel, Beyoglu
Tel: (212) 244 48 28

St. Helena's Chapel
British Consulate Grounds, Galatasaray
Tel: (212) 244 42 28

Union Church of Istanbul
Postacilar Sok., Beyoglu
Tel. (212) 244 52 12

Armenian churches
Armenian Patriarchate
Sarapnel Sok. 20, Kumkapi
Tel: (212) 527 03 23

Uc Horan
Balik Pazari, Beyoglu
Tel: (212) 244 13 82