I thought it was a cathedral or a university (as in old-skool uni, not a polytechnic) although i can think of no examples where you dont have one without the other.
Anyway, medieval style cities didnt have *that* many buildings (mabe only capitals like london), look at oxford as recently as the 1600s:
Anyway, medieval style cities didnt have *that* many buildings (mabe only capitals like london), look at oxford as recently as the 1600s: