for the layout - Baedeker's Northern Italy Handbook For Travellers by Karl Baedeker, Fourteenth Remodelled Edition 1913 (http://www.zonu.com/detail-en/2009-09-18-10115/Venezia-Venice-Map-Italy-1913.html) for the names - https://de.wikipedia.org/wiki/Sestiere
Absolutely brilliant! This map is gorgeous, educational and really, really fun to play on. The movement across and around the map is fast-paced. The bonuses are varied but balanced. And did I mention the map is gorgeous?