In Jerusalem’s “Old City,” there’s the Jewish Quarter, the Christian Quarter, the Islamic Quarter and the Armenian Quarter. I understand the first three, but how did Armenia get its own piece of Jerusalem? Obviously they have a long history there, but so do lots of other ethnic groups.
In the 4th century, there was an Armenian monastery near the “Upper Room”, a Christian holy site in Jerusalem where the Last Supper supposedly occurred. The Armenian community grew and went on to build the Cathedral of St. James, which led to more Armenians settling in the area, and so on.
It’s also worth pointing out that Greater Armenia (i.e. Armenia at its greatest extent) was not as far from Jerusalem as contemporary, post-Ottoman and post-Soviet Armenia. Also that Jerusalem and the Armenian-speaking regions have been part of the same political empire for some chunks out of the last two thousand years, making travel to and from Jerusalem more logical than it might seem from the modern perspective.
A quick googling suggests that “Greater Armenia” has some specific contemporary meanings I did not intend. See the map here for what I meant.
Armenians are all over the world from what I understand. 