Diego de Artieda, fundador de Esparza en Costa Rica Curiosity · Esparza de Salazar/Espartza Zaraitzu, Pirineo, Navarra Image of Esparza de Salazar/Espartza Zaraitzu, not of the place itself. Diego de Artieda, a native of Esparza, founded the city of Esparza in Costa Rica in 1577, which took its name in honor of this village in the Salazar valley. 1577 Photo: Indalecio Ojanguren. (CC BY-SA 3.0) What to see and do in Esparza de Salazar/Espartza Zaraitzu