Mairie de Saint-Ouen is a station on line 13 & line 14 of the Paris Métro in the commune of Saint-Ouen. It is named after the nearby town hall of Saint-Ouen.
Wikipedia https://en.wikipedia.org/wiki/Mairie_de_Saint-Ouen_(Paris_Métro)
Address 78 Rue Albert Dhalenne, Saint-Ouen 93400, France
Coordinates 48°54'47.383" N 2°20'4.771" E