Michael Vick
#1
Not just this, but I've noticed you'll get an instant +1 for building a city in any solid province. The tiny, crowded, boring provinces like East Anglia will be useful to your empire with cities there, even if you prefer to "conquer" them by covering them with culture. With Venice, Augsburg and Salzburg leaving Tyrol almost completely worthless, I still build Essen between Augsburg and Salzburg as Germany, for no reason other than the free stability. (Btw - was there really an Essen in this spot??)
Of course, the free boost only happens with the first city founded, but as you said, infinite city sprawl is a good strategy because each additional city in a solid province can be founded without a stability hit.
I think Essen is the first city on the list of default names for Germany. Like Kufah for Arabia or Cumae for the Italian civs. There's currently a lot of activity in the city name map thread since the map seems to be approaching finalization, the Tyrol is a glaring error that will probably be fixed in the next version