The Piazza di San Marco in Venice, described by Antonio Quadri and represented in XVI. plates surveyed and engraved by Dionisio Moretti

This image shows plate i, entitled pianta della piazza e piazetta di san marco. Map of the piazza (and the piazetta) san marco in venice, italy, from 1831. In general, the buildings around the piazza haven’t changed since then, so this plan reflects the modern situation nearly exactly.