Ruay-Malmaison is a commune in France, a western suburb of Paris. It was originally called simply Ryuei. The name comes from the Celtic Ritoialos or Rialo. Watch camera online in Ruay-Malmaison Rueil-Malmaison is located in the Hauts-de-Seine department of the Ile-de-France region, 14 kilometers west of the center of Paris. The city consists of 8 districts. Its area is 14.54 km². The population is 77 625 people (as of 2006). The population density is 5339 people / km².