Marmara Municipalities Union
Ragıp Gümüşpala Avenue. No: 10 Eminönü 
34134 Fatih - İstanbul / TURKEY
+90 212 514 10 00 (PBX)
+90 212 520 85 58

Katip Mustafa Çelebi District. Anadolu Street No:23/13 
Beyoğlu - İstanbul / TURKEY
+90 212 243 20 86
+90 212 243 28 59