DELE stands for Diplomas de Español como Lengua Extranjera (Diplomas for Spanish as a Foreign Language).
It is a worldwide recognized title about Spanish knowledge. Since 2015, it has been open to both native and non-native speakers, and you may prepare yourself in Zurich.
The DELE diplomas are official diplomas issued by the Spanish Instituto Cervantes on behalf of the Spanish Ministry of Education and Science to participants who have passed a standardized test
indicating their European knowledge of Spanish.