There is no other address quite like it in Florence. Seductively at home in a 16th-century palazzo overlooking Europe's largest private walled garden, this uberchic guesthouse rocks. A creation of the talented British-Italian duo behind SoprArno Suites, AdAstra sports 14 beautiful rooms adorned with Betty Soldi's calligraphy, Matteo's vintage collectibles, claw-foot bathtubs and the odd 19th-century fresco or wooden herringbone floor.

　　Four rooms open onto the pièce de résistance – a sizeable, impossibly romantic terrace with sun loungers, garden view and glorious summertime breakfast tables. Two other rooms are tucked a short walk away from the main house, in a former gardener's cottage. Every room has a Nespresso coffee machine, and there is an honesty bar and complimentary tea and cakes in the beautiful, chandelier-lit lounge.