Which park in Spain is bigger Guadarrama National Park or Atlantic Islands of Galicia National Park?
Guadarrama National Park Sierra de Guadarrama National Park (in Spanish: "Parque Nacional de la Sierra de Guadarrama") is a national park in Spain, covering nearly 34,000 hectares, the fifth largest in Spain's national parks system. The Guadarrama mountain range ("Sistema Central") contains some ecologically valuable areas, located in the Community of Madrid and Castile and León (provinces of Segovia and Ávila). The law that regulates the recently approved national park was published in the BOE in  26, 2013 (2013--) .
Cueva de las Maravillas National Park The Parque nacional Cueva de las Maravillas (English: "Cave of wonders National Park") is a national park located approximately 3 kilometres (2 miles) west from La Romana, in the south-eastern part of the Dominican Republic on the Caribbean island of Hispaniola.