María Nieves Blanco Díaz has been Ambassador of Spain to the Grand Duchy of Luxembourg since September 2025. She holds a law degree from the University of Oviedo and joined the diplomatic service in 2005. She began her career at the Consulate General in Havana (2005–2007) before serving at Spain’s Permanent Representation to NATO (2007–2012 and 2015–2018), where she gained extensive expertise in security issues. From 2012 to 2015, she was advisor on migration affairs at the Ministry of Foreign Affairs, the European Union and Cooperation. She later directed cultural programming at Casa de América (2018–2020) and served as Cultural Advisor in Hungary (2020–2022). Prior to her current post, she was Ambassador to Lithuania from 2022 to 2025.

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