Oldenburg is located in the state of Lower Saxony in northern Germany. It is a city rich in its history, although it witnessed many difficult times during its long history. The city was hit by a devastating epidemic in 1667, and then shortly after that it was exposed to a massive fire. The reform of the city began in 1773 and the renovation and restoration of all buildings in it in the style of neo-classical architecture, in addition to developing the infrastructure and providing the city with all service and tourist facilities from hotels, resorts and shopping centers, as well as museums, cultural centers and art galleries to make Oldenburg a prominent tourist destination in Germany worthy of the visit.