Which among these is the oldest hotel in the world? Amazon Quiz, 'Did you know?' | Which among these is the oldest hotel in the world? By Mukesh Sharma - May 20, 2021 Options to the question – Which among these is the oldest hotel in the world? Zum Roten Bären Nishiyama Onsen Keiunkan. The Old Bell Hotel Orso Grigio The correct answer is Nishiyama Onsen Keiunkan. Among these, Nishiyama Onsen Keiunkan is the oldest hotel in the world.