Andalusia more than fulfils the name garden of Spain:
There are almost twice as many visiting gardens as in Kent, the ‘garden of England’.
From the book World Heritage Site:
Seville: Cathedral, Alcázar and ARchivo etc.
Cordoba: historic centre
Ubedá and Baeza: beautiful villages
Palmeral v. Elche, palm garden
Granada: Alhambra
Donane National Park (near Gibraltar) (don’t know how to get a sway over the n)
From the book 1000 gardens of the world you should have seen (2007)
Valencia: Jardin de Montforte
Motril: Casa de los Bates
Malaga: Jardin Botánico la concepción
https://www.facebook.com/jardinbotanicolaconcepcionmalaga/
Ronda: Palacio de Mondragón; Casa de Don Juan de Bosco; Casa del Rey Moro
Granada: Alhambra; Carmen de la Victoria; Carmende los Mártrires; Casa del Chapiz; el Generalife
Cordoba: Palacio de los Marquiees de Viana Cordolor; Medina Azahara
Sevilla: Jardines de los Reales Alcázares; Palacio de las Duenas; Casa de Pilatos; Parque de Mariá Luisa; Hospital de los venerables
In May there is the Festival de los patios in Cordoba.
Thanks to Hetty van Doorn!