Italian city of about one million inhabitants, it is the capital of the Campania region and it is located between Mount Vesuvius and the volcanic area of Campi Flegrei, it is the third Italian city by population as well as the heart of one of the most populous metropolitan areas in Europe and fourth economic complex in Italy. It was established in the mid-eighth century BC and had an important commercial, cultural and religious influence on the surrounding Italic peoples and became the center of the Epicurean philosophy in Italy. It became capital of the Kingdom of the Two Sicilies under the Bourbons and experienced a long period of social and economic development, which culminated in a series of civil and technological firsts including the construction of the first railway in Italy. For historical, artistic, political and environmental reasons it is one of the main cultural centers of reference in Europe. It is seat of Federico II, the oldest state university in Europe, and of the Univerisità Orientale, the oldest university of Ancient Oriental Studies of the continent and also seat of the Nunziatella, one of the oldest military academies in the world, elected historical and cultural heritage of Mediterranean countries by the Parliamentary Assembly. It is also hometown of Neapolitan language, recognized by UNESCO as a real language and it has exercised and still exercises a strong role in many fields of knowledge and culture worldwide. In 1995 the historic center of Naples, the largest in Europe, has also been recognized by UNESCO as a world heritage site and in 1997 the volcanic complex Somma - Vesuvius has been put by the international agency among world biosphere reserves. Naples is located almost in the center of the gulf, dominated by the massive Mount Vesuvius and bordered to the east by the Sorrento Peninsula and to the west of the Campi Flegrei. Throughout its history, for its strategic position and its mild climate, Naples has been chosen several times as a holiday resort. The cultural identity of Naples is also represented by Neapolitan cuisine which features dishes such as spaghetti and clams, pasta with Neapolitan ragu, gnocchi and the famous Neapolitan pizza, which is outside one of the most popular dishes made in Italy.