Saint George's Cathedral is the cathedral of the Roman Catholic Diocese of Syros and Milos. It is located in the town of Ano Syros, on the island of Syros, Greece.
Wikipedia https://en.wikipedia.org/wiki/St._George's_Cathedral,_Ano_Syros
Address 15 Δαλεζίου, Άνω Σύρος 84100, Greece
Coordinates 37°27'3.287" N 24°56'7.681" E