It's fair to say that the music-themed Aria, established by Henry Callan of New York's Library Hotel, substantially raised the bar in Prague hospitality when it opened a few years ago. Floors are divided by musical genre (classical, opera, contemporary, jazz) and each of the cool, comfortable rooms is dedicated to an artist: the in-room PCs, DVD players, fresh orchids and custom-designed furniture from Spatium are joined by a full soundtrack of the theme artist's work. The music lending library in the lobby supplements those collections with more specialised discs, plus books and performance DVDs. The roof terrace vies for the honour of best view in the city; the skylit lobby restaurant Coda excels; and the amenities, service and location are all tremendous. Request a room facing the Vrtba Gardens.