Flawless guest service is the defining feature of every 5-star hotel in Oldenburg. From the minute you step through the door, staff attend to your every need, whether answering room service calls 24/7 or providing a nightly turn-down service. What's more, hotels must feature upscale conveniences to be entitled to a 5-star rating. These can include deluxe baths, spa facilities, pools, fine dining restaurants and knowledgeable concierge.