commemorative plaque to Antón Martín

The commemorative plaque to Antón Martín stands in Madrid, on Plaza de Antón Martín, in the Lavapiés district right at the edge of the city centre. It honours a 16th-century friar whose work changed how the sick and destitute were cared for in the city, and whose name now belongs to one of the most recognisable squares in Madrid's Centro area.

Who was Antón Martín?

Antón Martín de Dios was born on 25 March 1500 in Mira, in what is now the province of Cuenca, and died in Madrid on 21 December 1553. He was a Spanish friar and nurse, the first companion and direct successor of Saint John of God (San Juan de Dios) within the Order of Hospitallers. After the order's founder died, it was Antón Martín who took over his mission and carried it forward in Madrid.

What does the plaque say, and exactly where is it?

The plaque, erected by the Ayuntamiento de Madrid (Madrid City Council) in 2003, states that this was the site of the church belonging to the Hospital of Nuestra Señora del Amor de Dios, founded in 1552 by Brother Antón Martín — first companion and successor of San Juan de Dios — who died here in 1553. It stands on Plaza de Antón Martín, marking the spot once occupied by the hospital.

What is the story behind the hospital that gave the plaque and the square their name?

On 25 November 1552, Antón Martín founded the Hospital of Nuestra Señora del Amor de Dios on land granted by Fernando de Zomoza, on Calle de Atocha in Madrid. Locals simply called it the "hospital de Antón Martín." It opened with twenty beds reserved for patients considered incurable or contagious — those other hospitals in the city refused to admit. The number of beds kept growing, and by 1590 the hospital had expanded significantly, becoming one of the city's most important charitable institutions. Over time its founder's name passed on to the square itself, still known today as Plaza de Antón Martín.

What else is worth seeing near the plaque?

The square carries history well beyond its namesake. It was here, on 23 March 1766, that the Esquilache Riots broke out — one of the most significant popular uprisings in 18th-century Spain, sparked by resistance to reforms pushed through by minister Esquilache. The square also features an ornamental fountain dating from 1732, designed in the churrigueresque style by Pedro de Ribera, chief architect of the royal works under Philip V — a fine example of the baroque fountains scattered across old Madrid.

Right nearby stand two other commemorative plaques worth pairing with a visit to the Antón Martín marker. One honours the Atocha street lawyers murdered in 1977, bearing an inscription warning that if the echo of their voice fades, all will be lost. Another, also placed by the city council, marks the site of the former Monumental Cinema on the square, where Sergei Prokofiev's Second Violin Concerto premiered on 1 December 1935.

How do you get there?

Plaza de Antón Martín sits right in the heart of Madrid, on the border between the Lavapiés and Centro districts, close to Calle de Atocha. It connects easily on foot to landmarks such as Plaza Mayor, the Museo Reina Sofía, and Puerta del Sol, making the plaque an easy addition to any walking route through the historic centre. The nearest metro station shares the square's name — Antón Martín, on Line 1.

Frequently asked questions

Who was Antón Martín, the man the square and plaque are named after? He was a Spanish friar and nurse who lived from 1500 to 1553, the first companion and successor of Saint John of God within the Order of Hospitallers, best known for founding a Madrid hospital dedicated to patients considered incurable or contagious.

When was the plaque installed, and by whom? It was placed by the Ayuntamiento de Madrid (Madrid City Council) in 2003.

Does the hospital Antón Martín founded still exist? The original building no longer stands, but its history and founder's name live on in the name of the square and in the commemorative plaque marking the site of the hospital's former church.

What else can visitors see on Plaza de Antón Martín? Beyond the plaque, the square holds a baroque fountain from 1732 designed by Pedro de Ribera, plus two further plaques — one dedicated to the Atocha street lawyers and another marking the premiere of a Prokofiev concerto at a cinema that once stood on the square.