Lenas Donau Hotel Wien Österreich. See 518 traveler reviews, 203 candid photos, and great deals for hotel lenas donau, ranked #264 of 391 hotels in vienna and rated 3.5 of 5 at tripadvisor. It has 189 rooms with a capacity of total 367 beds, an event hall and offices. Lenas Donau Hotel (Wien) • HolidayCheck