The municipality of Jüchen consists of 17 villages and several hamlets. The most important villages are Jüchen itself (6600 inhabitants) andHochneukirch (5400 inhabitants) in the west. Other villages among others areGierath,Bedburdyk, Otzenrath, Garzweiler, Holz and Aldenhoven.
Jüchen is located between the towns ofRheydt (to the north-east, 9 km away) andGrevenbroich (to the south-west, 8 km away). The state capitalDüsseldorf is 28 km away.
TheGarzweiler surface mine is located to the south of Jüchen.Brown coal is mined above ground there. The European distribution centre of3M is located on the A46.
In the north of the municipality is the moated castle of Dyck, with a park that is over 200 years old.