Florence and Venice are Italy's two great non-Rome icons — one the cradle of the Renaissance, the other a city built on water unlike anywhere else. Both fit into a week-long Italy trip, but they reward very different kinds of travelers.
Florence is the Renaissance in concentrated form: the Uffizi Gallery and Accademia Gallery hold Botticelli and Michelangelo's David, while the Pitti Palace & Palatine Gallery adds Medici-era grandeur. Venice's art leans Byzantine and maritime — St. Mark's Basilica's gold mosaics and the Gallerie dell'Accademia feel ornate rather than classical.
Florence is walkable in the ordinary sense, with the Florence Cathedral and Piazza della Signoria a few minutes apart on foot. Venice has no cars or ordinary streets at all — St. Mark's Square and the Rialto Bridge connect by footbridges and canals, making getting lost part of the experience.
Florence's Palazzo Vecchio and Ponte Vecchio speak to civic power and medieval commerce. Venice's landmarks lean theatrical and political in a darker way: the Doge's Palace and the Bridge of Sighs connect directly to the old prison, and the Campanile di San Marco offers the city's best lagoon views.
Florence rewards lingering — the Basilica di Santa Croce and a day trip to Siena add historical depth. Venice rewards curiosity: the Doge's Palace Secret Itineraries Tour reveals hidden passages, and the Peggy Guggenheim Collection and Basilica di Santa Maria Gloriosa dei Frari offer quieter, less-crowded art stops.
Choose Florence for concentrated Renaissance art, walkable streets, and easy day trips like Siena. Choose Venice for a city unlike any other, with canals, hidden palace passages, and moody Byzantine grandeur. Three to four days suits either one well.