Pepco is in Burgos. Tap the map or the "Get directions" button to see the exact location and the route from your position.
Yes, Pepco's official website is pepco.es. You'll find the direct link in the "Website" section of this listing.
On this listing you can see "Other stationery shops nearby" right below, sorted by proximity. You can also open the full stationery shops in Burgos page for the complete map ranked by distance from your location.