User blog comment:Aaron Larsen/Question on The Abundant Terrace/@comment-40225770-20190819092459/@comment-1733061-20190819173009

Agreed with this. Just so we can put the issue fully to rest, here's a timestamp to a point where Matt explicitly states that the Abundant Terrace is the name for the district: Campaign 1, Episode 84 @ 2:44:31. Thanks to the anonymous user on The Abundant Terrace page for pointing to this episode.