It is situated at the river Danube. On the left side of the river the city is called Ulm. On the right side is Neu-Ulm in Bavaria. Together it has more than 170,000 inhabitants. Ulm alone has about 120,000 inhabitants.
Ulm has a university. The university has about 7000 students.
The world's highest church tower is the Ulmer Münster (161,5m) in Ulm. Also, Ulm has the oldest city theatre in Germany. Albert Einstein was born in Ulm.