The caravan camping is on a little island in the middle of town!! (Address: Cisarska Louka 162, prag) we payed 460 CZK for 2 persons and our camper van! Shower and fresh water etc. service is in price included! If you are a ADAC member you will get a discount!
The Motel offers some places for caravans. It's a beautiful place right in front of a big park and only 15 minutes walking distance to the city centre! We payed with two people and a camper van 520 CZK per night! This includes water, free shower, toilette and electricity!