Hello how may I help you? what's the river in prague called? The Vltava River runs through Prague can I buy a houseboat on that river? Yes, if you would like to. how much The prices vary. Please check with local dealers. find me local houseboat dealers please I am only able to provide facts on cities. Can I help you with anything else? not if you can't find me a houseboat in prague I am sorry. Good luck in your search!