Is Doñana National Park in Andalusia, southern Spain or Garajonay National Park in La Gomera, Canary Islands in Spain larger?
Doñana National Park: Doñana National Park is a natural reserve in Andalusia, southern Spain, in the provinces of Huelva (most of its territory) and Seville. Doñana National Park:  It covers 543 km² , of which 135 km² are a protected area.
i don't know