Although called a plaza tiny square is more like a small park with a duck pond, flower beds and many trees, in the heart of San Sebastián, Spain, across from the Diputación Foral de Gipuzkoa building. The park was designed by French landscape gardener Pierre Ducasse and is lined with Neoclassical ashlar porticoes.

The park has a number of important elements such as the monument to the musician from San Sebastián, José María Usandizaga.