Shah Abbas moved them from contested border areas with the Ottoman Empire down to Isfahan, where he built them their own neighborhood called the Jolfa District that still exists today and is regularly visited by tourists, where they could live and practice their religion freely, and formed a respected merchant class specializing in silk products.

Christian Georgians and Circassians were also hired mostly as mercenaries

This source itself might not be an authoritative source for this subreddit, but at the bottom of the article there are a lot of authoritative sources. It goes into a lot of detail on the subject.

One tidbit that is often not included in the accounts is that from New Julfa, Armenians also forged a wide network of shipping commerce from Kolkata all the way to the New World, largely due to their condition as Christians.

A good source for this is this recently published book From the Indian Ocean to the Mediterranean: The Global Trade Networks of Armenian Merchants from New Julfa.