Museon Arlaten ("Arles Museum" in Provençal language) is a museum dedicated to the ethnography of Provence. It is located in Arles, at 29, rue de la République, and it is hosted in the 15th century Hôtel particulier Laval-Castellane, now a monument historique. The museum has been closed for repair works since October 25, 2009. Its reopening, planned for 2015, has been postponed to 2017.