Salzburg is a city located within the borders of Austria. This city, which covers the residential areas of the central and northern parts of the country, has a total population of 150,000 people. Located on the German border, this city has managed to take its place at the foot of the Alps. It appears as the fourth largest city in the country. The city, which has developed itself considerably in terms of industry, has managed to obtain a source of income in many areas. People are known to earn their living primarily from salt deposits. But later, with the development of the industry, business areas such as instrument making, beer production, weaving industry, production of various machines and electrical equipment, printing and publishing were reached. The city earns its biggest source of income from tourism. When we take a look at the places to visit in the city, we are greeted by Mirabell Palace, Aigen Palace, Upper Salzburg Fortress, Salzburg Castle and Austrian street tunnels.