15th century church built with the support of Matthias Corvinus presents the purest form of Transylvanian Gothic architecture.
Wikipedia https://ro.wikipedia.org/wiki/Biserica_Reformată_de_pe_Ulița_Lupilor
Address Mihail Kogalniceanu St, Cluj-Napoca, Romania
Coordinates 46°46'5.315" N 23°35'45.15" E