The Kakadu National Park is a UNESCO World Heritage site located in which Australian state?

In which country is the Okavango Delta nature reserve located? The Great Barrier Reef Marine Park is located off the coast of which Australian state? The Andasibe-Mantadia National Park is located in which African island nation? The Wadden Sea nature reserve is located along the coast of which European countries? The Bavarian Forest National Park is located in which European country? The Aggtelek National Park is located in which European country? The Vanoise National Park is located in which European country? The Doñana National Park is located in which European country?