StuartDutchmanHQ. "ITALY: Venice - St Mark's Square / Piazza San Marco [HD]." YouTube. YouTube, 25 July 2013. Web. 19 Nov. 2013.
pi·az·za
noun \pē-ˈa-zə, -ˈä-, 1 is usually -ˈat-sə, -ˈät-\
: an open public area in a town or city (especially in Italy) that is usually surrounded by buildings
from Merriam-Webster Dictionary