Hörde is situated at 51°29' North, 7°30' West, and is at an elevation of 112 metres above mean sea level.
It is made up of the areas of Wellinghofen, Höchsten, Benninghofen, Loh, Holzen, Sommerberg, Syburg, and Wichlinghofen, as well as Hörde itself.
The coat of arms of the Stadtbezirk shows the Hörder Burg (Hörde Castle), overlaid with a red-and-white chequered band that was used as the sign of the Counts of Mark.
A symbol of Hörde is the Schlanke Mathilde ("Slim Matilda"), rebuilt in 1983 from historical pictures.
The Hörder Burg (Hörde castle) is located in the east of the town, close to the river Emscher.