cathedral city

Short definition from Wiktionary

Noun

1. 1
   A title awarded to a town in the United Kingdom which, before letters patent, held city status by virtue of having a cathedral within its bounds.
2. 2
   A city in a former British colony which resembles an English cathedral city in that it has a relatively small population, an Anglican cathedral, and also holds the title of city.

Proper noun

1. 1
   A city in Riverside County, California, United States.