The Potsdamer Bahnhof is a former railway terminus in Berlin

Berlin

Berlin is the capital city of Germany and is one of the 16 states of Germany. With a population of 3.45 million people, Berlin is Germany's largest city. It is the second most populous city proper and the seventh most populous urban area in the European Union...

, Germany

Germany

Germany , officially the Federal Republic of Germany , is a federal parliamentary republic in Europe. The country consists of 16 states while the capital and largest city is Berlin. Germany covers an area of 357,021 km2 and has a largely temperate seasonal climate...

. It was located at Potsdamer Platz

Potsdamer Platz

Potsdamer Platz is an important public square and traffic intersection in the centre of Berlin, Germany, lying about one kilometre south of the Brandenburg Gate and the Reichstag , and close to the southeast corner of the Tiergarten park...

, about 1 km south of the Brandenburg Gate

Brandenburg Gate

The Brandenburg Gate is a former city gate and one of the most well-known landmarks of Berlin and Germany. It is located west of the city centre at the junction of Unter den Linden and Ebertstraße, immediately west of the Pariser Platz. It is the only remaining gate of a series through which...

, and kick-started the transformation of Potsdamer Platz from an area of quiet villas near the south-east corner of the Tiergarten

Tiergarten

Tiergarten is a locality within the borough of Mitte, in central Berlin . Notable for the great and homonymous urban park, before German reunification, it was a part of West Berlin...

 into the bustling focal point that it eventually became. Also located at this spot were underground stations on the Berlin U-Bahn

Berlin U-Bahn

The Berlin is a rapid transit railway in Berlin, the capital city of Germany, and is a major part of the public transport system of that city. Opened in 1902, the serves 173 stations spread across ten lines, with a total track length of , about 80% of which is underground...

 and S-Bahn

S-Bahn

S-Bahn refers to an often combined city center and suburban railway system metro in Austria, Germany, Switzerland and Denmark...

, a test track for a proposed M-Bahn

M-Bahn

The M-Bahn or Magnetbahn was an elevated Maglev train line operating in Berlin, Germany in 1991. The line was 1.6 km in length, and featured three stations, two of which were newly constructed...

 system, and today's new underground Regionalbahnhof, known as Bahnhof Potsdamer Platz

Berlin Potsdamer Platz railway station

Berlin Potsdamer Platz is a railway station in Berlin. It is completely underground and situated underneath the Potsdamer Platz in central Berlin. Regional and S-Bahn services call at the station.- History :...

.
The Potsdamer Bahnhof was the Berlin terminus of the city’s first railway, linking it with Potsdam

Potsdam

Potsdam is the capital city of the German federal state of Brandenburg and part of the Berlin/Brandenburg Metropolitan Region. It is situated on the River Havel, southwest of Berlin city centre....

.