Lohmar

Siegburg (i.e. fort on the Sieg river; Ripuarian: Sieburch) is a city in the district of Rhein-Sieg-Kreis in North Rhine-Westphalia, Germany. It is located on the banks of the rivers Sieg and Agger, 10 kilometres from the former seat of West German government Bonn and 26 kilometres from Cologne. The population of the city was 39,192 in the 2013 census.

Studiobühne Siegburg is a privately owned theatre in the city of Siegburg in North Rhine-Westphalia, Germany.

Michaelsberg Abbey (German: Abtei Michaelsberg) is a former monastery of the Benedictine Order, belonging to the Subiaco Congregation (1064-2011). The monastery is situated on the Michaelsberg ("St. Michael's Mount"), about 40 metres above the town of Siegburg. For this reason it is also often known as Siegburg Abbey.

Siegburg/Bonn station, in the town of Siegburg, North Rhine-Westphalia, Germany, is on the Cologne–Frankfurt high-speed rail line and the Sieg Railway. It was rebuilt for the high-speed line and is connected to Bonn by the Siegburg line of the Bonn Stadtbahn. It is in the network area of the Verkehrsverbund Rhein-Sieg (Rhine-Sieg Transport Association).

Auelsbach is a river of North Rhine-Westphalia, Germany. It flows into the Agger in Lohmar.

Jabach is a river of North Rhine-Westphalia, Germany. It flows into the Agger near Lohmar.

Pleisbach (in its upper course also: Logebach) is a river of North Rhine-Westphalia, Germany. It is a left tributary of river Sieg near Siegburg.

Sülz is a river of North Rhine-Westphalia, Germany. It flows into the Agger near Lohmar. Its total length is 48.7 km, including its main source river Lindlarer Sülz.

Siegburger Mühlengraben is a small canal of North Rhine-Westphalia, Germany. It branches off the Sieg, flows through Siegburg, and joins the Sieg again.

The Agger is a river in Germany, a right tributary of the Sieg in North Rhine-Westphalia. It is 69.5 kilometres (43.2 mi) long. Its source is in the Sauerland hills, near Meinerzhagen. It winds through the towns Engelskirchen, Overath and Lohmar. Near Siegburg the Agger flows into the Sieg.

The Hochschule Bonn-Rhein-Sieg University of Applied Sciences is a German university of applied sciences with more than 9,500 students and 150 professors. Its campus comprises three distinct locations, situated in Sankt Augustin, Rheinbach and Hennef / Sieg (all in the vicinity of Cologne and Bonn).

Naafbach is a river of North Rhine-Westphalia, Germany. It flows into the Agger near Lohmar.