I simple simply call San Francisco, USA, the "City on the Hills" refraining from causing confusion. Because there are at least 17 cities people usually referring them as the "City of Seven Hills" in the world!
There is my new airlines' in-flight magazine featured article in June 2010 May 2011 issue, with the hidden town in Vietnam's northern highland region, Sapa incisive reportage.
I had spend a couple days weeks hanging out at some typical Taiwanese food diners, I had never set foot in all my life, for the National Geographic - Traveler Magazine featured article