Hotel Casa Tra Noi Rome, one of the cheapest hotels in Rome city center is at only 2.5 km from the Vatican City, an independent European state under the authority of the pontiff of the Roman Catholic Church.
With an area of just 0.44 km square, located on the right bank of the Tiber, the Vatican, with its 900 inhabitants is the smallest independent state in the world, but prints own postage stamp, beats its own money, has a radio station and a railway station and publishes a prestigious newspaper "L'Osservatore Romano."
To fulfill the service order and police there are the agents of capital (established by Pius VII in 1816) and the Swiss Guard, founded in 1506, which still wears the original uniforms, designed, according to tradition, even by Michelangelo.
Famous is the Passetto di Borgo, which links the Vatican to Castel Sant'Angelo, commissioned by Pope Orsini - Nicholas III
The Vatican city-state was formally recognized by the Italian Government on 11 February 1929 with the signing of the Lateran Treaty (named from the building of San Giovanni in Laterano where the Treaty and the Concordat was signed); it puts end to the contentious between Pontificial and Italian States, opened in 1870 with the annexation of the Vatican State to the new Kingdom of Italy.
Previously the territory that now forms the city-state, was the Italian territory under special protection by the Law of Guarantees.
This place, one of the most mysterious and fascinating in the world, preserves some of the most precious treasures of world art, specially in the Museums of the Vatican Palace. Not to mention the 45 miles of shelves of the Secret archive, containing an immense gathering of documents.