The Pool at Principe di Savoia

"The sheer size of this 401-room behemoth will not suit all, but it does guarantee top-class facilities, including a full-featured spa with indoor pool, a decent modern Italian restaurant, and two bars"

"As well as such glitzy touches, this classic luxury hotel offers superb service and excellent facilities, including a rooftop fitness centre and pool with glorious views over the city"

"The Mosaic rooms (named for the glass mosaic panels in their ample bathrooms) are even larger, and the three-bedroom Presidential Suite features its own marble pool"

"The top-floor fitness and spa club with beauty centre offers sauna, Jacuzzi and indoor pool"

"Frank Sinatra, Robert De Niro and Madonna have all stayed in the presidential suite, which has its own pool"

"The classic decor features sumptuous fabrics and sophisticated color schemes, the indoor pool is attractive and large, and the Principe Bar is one of the city's top spots for a business meeting or after-work cocktail"

"The hotel’s top floor is dedicated to Club 10, an assemblage of fitness, well-being and pampering facilities, such as a glass-enclosed heated swimming pool"

" Open to hotel guests, the penthouse Club 10 Spa & Fitness Centre features an indoor heated pool, hydro-massage tub, sauna, Turkish bath, excellent fitness equipment and spa treatments"

"For extra indulgence, opt for one of the 44 signature suites; the top floor Presidential Suite comes with its own fireplace and Pompeii-style spa, which includes a whirlpool, Jacuzzi, sauna, and private swimming pool"

"Opened in 1927, this historic hotel with an imposing neoclassical façade boasts rooms with fin de siècle furnishings, marble bathrooms and hand-painted frescoes; the Presidential Suite has its own pool"