The Roma Hotel is a 4 star hotel and is very nice. It is located in the historic center (20 meters from a tram stop) of Prague in the Mala Strana neighborhood right next to the Petrin lookout and only about 2 kmilometers away from the castle and the Old Town Square in Prague. Despite the antiquity it has been renovated not long ago and has wi-fi, a gym, sauna, etc..
This hotel offers all the amenities to make it an ideal place to stay. It has 87 rooms with air conditioning, bathroom, free internet access, minibar, desk, coffee and tea, etc. The price also includes facilities such as the gym. It has a covered garage. The restaurant offers excellent cuisine, and also serves breakfast. This hotel has been certified as a green hotel "Ecolabel" through initiatives for saving water, electricity, and waste recycling, including food. This certification is recognized by the European Union. It's just 5 minutes walk from the tram and metro, which will take you to the centre in less than 10 minutes. I recommend this hotel if you want a more relaxed atmosphere in which to stay with excellent service and quality.
The Belvedere Hotel is a 3 star hotel located near the center of Prague, as well as, the Gallery of Modern Art, the fairgrounds and the National Technical Museum. Just a few minutes walk from the hotel lies locations for entertainment, dining, and convenient shopping. It is also well connected to all the public transport systems and is only 12 kilometers from the airport.
The Hotel Acc-Nifos U Zlateho Stromu is located in the centre of Prague, in Bohemia; Czech Republic. An original eighteenth century construction, it still keeps its old charm and offers 22 rooms and three suites spread over four floors, all equipped for your comfort, and suitable whether you're travelling for business, or pleasure. The hotel is entirely non-smoking, with restaurant service, a garden and nearby nightclub, in addition to all local points of interest.