This Google Map shows the Armenian Apostolic (or Gregorian) churches in İstanbul, Turkey for which there are known surviving historical parish registers of use for Armenian family history research.
The churches in İstanbul, or Bolis as it is known in Armenian, are under the jurisdiction of the Armenian Patriarchate of Constantinople.
There are other destroyed and surviving Apostolic churches for which there are no known extant historical parish registers of baptism, marriage and burial. These are not shown on the map. Similarly, Armenian Catholic churches are not mapped.
A version of this article and the accompanying map were originally published by bluebirdresearch in 2011.