I stayed at the Royal court in Prague 2 with my parents for one night. It was a marathon kind of a trip, but the hotel was perfect! Great location, great staff, especially Alexandra who was an absolute jewel. She was so courteous and professional. The rooms are very clean and confortable, the decoration is very nice. The bathrooms are very clean. I highly recommend this hotel to anyone.
I would recommend people to ask for a room high up. I was staying on the 1st floor and got the smoke from the numerous smokers all evening and starting early in the morning. (i could have closed the window and put the AC but i don't like it)
That is, however, a minor problem and i wouldn't hesitate to go back there.