Hotel ratings: What's the difference between a one-star and a five-star hotel?

If a hotel has five stars, expect services like a concierge, 24-hour room service and others. — dpa

Despite a slew of reviews online, it’s not always easy to find a good hotel. Many travellers look to an establishment’s star-rating for guidance, but what do four stars actually mean?

Depending on where you are looking for a place to stay, a star-rating can mean very different things, from high quality and great service to nothing at all.