The most well-known is the vicinity comprising the 118 islands in the foremost districts that are called "Sestieri" and they are: Cannaregio, Castello, Dorsoduro, San Polo, Santa Croce and San Marco, where the foremost monuments and sights are positioned. In the hottest months, these conditions can engender sometimes foul odors. Select other times to stay if they might devastate what should be a highly-enjoyable stopover.