(offtopic) Huh funny, there's a Czech beer called Primátor and I wondered for a second if it was named in the same tradition. However it is the title of a mayor of a "statutory city" [1] - which is apparently something like a City that isn't governed as part of a larger county/state/district.
[1] https://cs.wikipedia.org/wiki/Prim%C3%A1tor