The Oberbergischer Kreis is a Kreis (district) in the state of North Rhine-Westphalia, Germany. Neighboring districts are Ennepe-Ruhr, Märkischer Kreis, Olpe, Altenkirchen, Rhein-Sieg, Rheinisch-Bergischer Kreis, and the urban districts Remscheid and Wuppertal.
The area of the Bergisches Land belonged to the County of Berg for most of the medieval times, which still gives the district its name. What is called „Oberbergisch“ (‚upper Bergian‘) lies in the southeast of that earldom: Already in 1740, a description of what had meanwhile become a duchy made a distinction between the „Niederbergisch“ part north of the river Wupper and the „Oberbergisch“ to its south.
In 1816, after the whole Rhineland was annexed to Prussia, the districts of Waldbröl, Homburg, Gimborn, Wipperfürth, and Lennep were created on the area now covered by the district. In 1825 the districts Gimborn and Homburg were merged to the district Gummersbach. In 1932 it was merged with the district of Waldbröl, and then for…