Which city, located in east-central France, held a 2015 international pastry contest?
Lyon: Lyon ( or ; ] , ] ; Arpitan: "Liyon" ] ), also known as "Lyons" , is a city in east-central France, in the Auvergne-Rhône-Alpes region, about 470 km from Paris, 320 km from Marseille and 55 km from Saint-Étienne.
i don't know