Translation of charlatan in German

The place was really modern and the food was excellent. We later found out that the restaurant belonged to a chain with the same name and was present all over the country and pretty popular.
You don't speak Russian? It's not so easy to speak this. I think, my English isn't very strong at all. But I hope to improve once I have the chance to write someone whose mother language is English...
We shivered, sweat and vomited the entire night. In addition we had the worst room in the worst hotel in town: Hostal Resbalosa.