Holy city

Holy city is a term applied to many cities, all of them central to the history or faith of specific religions. Such cities may also contain at least one headquarters complex (often containing a religious edifice, seminary, shrine, residence of the leading cleric of the religion and/or chambers of the religious leadership's offices) which constitutes a major destination of human traffic, or pilgrimage to the city, especially for major ceremonies and observances. A holy city is a symbolic city, representing attributes beyond its natural characteristics. Marketing experts have suggested that holy cities may be the oldest brands, and more specifically, place brands because they have value added via the perception of religious adherents.

These cities include:

...
Wikipedia