The "FutureHotel - Extended Realities" report discusses the appearance, functionality, advantages, disadvantages, and potential of the Metaverse in various sectors, particularly the hospitality industry. The purpose of the report is to decipher the beneficial Metaverse characteristics and present the foreseeable and expected future developments as a result of Metaverse technology. Being introduced to the intricate topic of the Metaverse, the reader is made aware of particular use cases, applicable in distinctive industries and sectors. The report covers the following topics: - Introduction to the Metaverse - Metaverse market overview, potential and future scenarios - Metaverse technologies - Creativity, visualization and experiences in the Metaverse - Metaverse use cases - Business development with the Metaverse ecosystem - Metaverse applications in different business segments - Metaverse use cases and applications in a FutureHotel The reader will gain insights in the field of future business models and business development and should be able to draw specific conclusions for both individual and business purposes. The study aims to attract people from the hospitality industry, Metaverse developers, business intelligence specialists, recruitment, and human resource professionals, as well as sales and marketing managers. The presented research is a result of the seventh project phase (2022-2025) of the FutureHotel Innovation Network under the leadership of Fraunhofer IAO.