Stolperstein dedicated to Saturnino Arroyo Alonso

The Stolperstein dedicated to Saturnino Arroyo Alonso is one of the memorial stones set into the pavement in Madrid, commemorating a victim of Nazism among the Spanish Republicans deported to German concentration camps. The small brass-topped cobblestone, passed daily by residents and visitors alike, carries a name and a handful of facts marking a life caught between the Spanish Civil War and the Second World War.

What exactly is a Stolperstein?

Stolpersteine ("stumbling stones") are part of a Europe-wide memorial art project started by German artist Gunter Demnig in the 1990s. Each brass-plated stone is set into the pavement outside the last known residence of a person persecuted by the Nazi regime — most commonly Holocaust victims, but also others targeted for political reasons. In Madrid, a number of these stones honor Spanish Republicans who fled to France after the Civil War, only to be captured and deported to Nazi camps once France fell under German occupation.

Who was Saturnino Arroyo Alonso?

Saturnino Arroyo Alonso served as a lieutenant in the 68th Mixed Brigade of the Spanish Republican army during the Civil War. After the Republic's defeat and the German invasion of France, he was swept into the Nazi camp system. He was deported to Gusen, part of the Mauthausen-Gusen complex in Austria, one of the harshest labor camps under the Nazi regime. He died there on 25 December 1941, at the age of 26. The stone in Madrid was laid outside the building where he had lived before his deportation, part of a wider initiative honoring the city's residents who shared the same fate.

Where is the stone and how do you find it?

The Stolperstein sits on a Madrid pavement at coordinates 40.424945, -3.71185. Like most stones of its kind, it lies flush with the ground and is easy to walk past without noticing — visitors should look down as they pass along the street. There is no visitor infrastructure around it: it is a deliberately modest act of remembrance built into the everyday fabric of the city.

When is the best time to visit?

The stone can be seen year-round, at any hour, since it is part of the pavement itself rather than a site with opening times. Daylight hours make it easiest to spot the small brass plate among the cobbles. It is worth combining a visit with a wider walk through Madrid's other Stolpersteine, which together trace a quiet route of historical memory across the city.

Frequently asked questions

How is a Stolperstein different from a monument? A Stolperstein is not a standalone monument but a small stone set into the pavement at the exact spot where the victim once lived. It restores memory to everyday urban space rather than to a ceremonial site.

Why do Madrid's Stolpersteine commemorate Spaniards rather than Germans? The project has expanded beyond Germany to include Nazi victims of other nationalities. In Madrid, the stones remember Republicans who were deported to concentration camps after fleeing to France, which was later occupied by the Third Reich.

Is there an information panel next to the stone? The stone itself carries only basic details — name, date and place of death. Fuller background on the person's life is found in publications tied to Madrid's memorial project rather than at the site itself.

Is it worth combining this with other memorial sites in Madrid? Yes — the city's other Stolpersteine together form a walkable trail honoring Spanish victims of Nazism, easily covered on foot in a single afternoon.