The Mariano Hotel, was originally built in 1880 to accommodate the officers of the Italian Kingdom and later converted into a hotel. It is situated on the Esquilino, one of the seven famous hills of ancient Rome. The hotel is in a prime position for those looking to explore the city as it is just a 5 minute walk from Termini station, from which it is possible to reach any point in Rome. The Colosseum, Santa Maria Maggoirre and the Opera house are within a 20 minute walk. Más Info.