Porz

international airport of Germany's fourth-largest city Cologne, and also serves Bonn, the former capital of West Germany

research center of the Federal Republic of Germany for aerospace and power engineering, transport and security

ESA field center in Köln, Germany

thumb|Aerial photograph of Porz, looking west across the Rhine thumb|Courtyard a of mid-18th-century Schloss in Wahn Porz () is a borough, or Stadtbezirk, of Cologne, Germany. It is situated on the east side of the Rhine river in the south-east of the city. Porz is the largest borough of Cologne by area, with 78.92 km2 and has 113,500 inhabitants.

city quarter no. 701 of Cologne, Germany

German railway bridge

city quarter no. 705 of Cologne, Germany