Porz
（重定向自Porz am Rhein）
![](/Images/godic/202502/03/Koeln-Porz_Rathaus0014049.jpg")
![](/Images/godic/202502/03/Koeln_bezirke_9porz4049.png")
![Aerial photograph of Porz, looking west across the Rhine](/Images/godic/202502/03/Köln_6274049.jpg")
![Courtyard of mid-18th-century Schloss Wahn](/Images/godic/202502/03/Schloss_Wahn,_Eingang4049.jpg")
Porz (German:Köln-Porz) is a city district or Stadtbezirk of Cologne, Germany. It is situated on the right side of the Rhine in the south-east of the city. Porz is the largest borough of Cologne by area at 78,87 km² and has 107,500 inhabitants.
Porz borders with the Cologne boroughs of Kalk and Innenstadt to the North, Rheinisch-Bergischer Kreis and Rhein-Sieg-Kreis to the East and South, and the Rhine to the West. On the other riverbank lies the Cologne borough of Rodenkirchen.