Malmaison Leave a Comment / Uncategorized / By admin Château de Malmaison is located in the commune of Rueil-Malmaison in the Hauts-de-Seine department of the Île-de-France region. In La Défense station bus 258 to Malmaison stop ‘Le Château’. It is best known as the home of Napoleon I and his wife Joséphine de Beauharnais. Since 1904, Malmaison has been owned by the French state and houses a museum in memory of Napoleon (and Joséphine). A confession of 1376 reveals the existence of a manor house, with a courtyard, lower courtyard, land and vines. The main staircase. The Grand Salon. The garden.