Oà ¼arów Mazowiecki is a town in Poland, in Mazowsze Voivodship, in the Warsaw metropolitan area, just to the west of Warsaw. It is the capital of Warsaw West County (since January 1, 2006). Its population numbers 11,311 (2018).
The Polish National road 92 and Voivodeship roads 701, 718, 735 pass through Oà ¼arów, and the A2 motorway runs nearby, south of the town.
Notable companies headquartered in the town include electronics and aeronautics manufacturer WB Group as well as technological company Vigo Photonics S.A. whose high sensitivity infrared detectors were used in the Curiosity Mars rover.
There was a glass factory in Oà ¼arów from 1907 to 2001.