Steindamm Church
Königsberg, Russia · built 1201
Steindamm Church (Steindammer Kirche, kościół na Steindamm), St Nicholas' Church (Nikolaikirche, or Nikolauskirche, kościół św. Mikołaja, Lithuanian: Šv. Mikalojaus bažnyčia už Karaliaučiaus miesto sienų), or Polish Church, Old Lithuanian Church (Polnische Kirche, kościół polski) was the oldest church in the city formerly known as Königsberg, and today known as Kaliningrad, Russia.
Church data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).