Surp Khach Church is an 18th-century Armenian church in Nor Nakhichevan. It is the oldest surviving monument in the borders of Rostov-on-Don.
Wikipedia https://en.wikipedia.org/wiki/Holy_Cross_Church,_Rostov-on-Don
Address 1 Bagramyana ulitsa, Ростов-на-Дону 344000, Russia
Coordinates 47°17'26.486" N 39°43'16.798" E