Overview
Mitte is the first and most central borough of Berlin. The borough consists of six sub-entities: Mitte proper, Gesundbrunnen, Hansaviertel, Moabit, Tiergarten and Wedding.
It is one of the two boroughs (the other being Friedrichshain-Kreuzberg) which were formerly divided between East Berlin and West Berlin. Mitte encompasses Berlin's historic core and includes some of the most important tourist sites of Berlin like the Reichstag and Berlin Hauptbahnhof, Checkpoint Charlie, Museum Island, the TV tower, Brandenburg Gate, Unter den Linden, Potsdamer Platz, Alexanderplatz, the latter six of which were in former East Berlin.
Geography
Mitte (German for "middle", "centre") is located in the central part of Berlin along the Spree River. It borders on Charlottenburg-Wilmersdorf in the west, Reinickendorf in the north, Pankow in the east, Friedrichshain-Kreuzberg in the southeast, and Tempelhof-Schöneberg in the southwest.
From Wikipedia (CC BY-SA 4.0).