This street lies right in the centre of the city. It is one of the oldest streets, showing many important historic sights. Great for a nice walk.
Wikipedia (Spanish) https://es.wikipedia.org/wiki/El_Coso_(Zaragoza)
Address 102 Calle del Coso, Zaragoza 50001, Spain
Coordinates 41°39'2.812" N -0°52'36.736" E