Spain popular and more expensive for travel.

More people are wanting to travel to Europe. The Middle East conflict is causing this. Dutch tourists are choosing Spain instead of other places.
The increase in travel to Europe is due to problems in the Middle East. People are worried about traveling there. Travel companies are noticing a change in where people want to go. Many Dutch travelers are now booking holidays in Spain. This is because Spain is not affected by the conflict.
Summarized from the sources above. Read the originals for the full story.
Highlights
Europe is More Popular
More people want to travel to Europe.
Middle East Conflict Drives Demand
Geopolitical instability in the Middle East increases travel demand.
Prices are Rising
Higher prices are happening because of increased demand.
Tourists Choose Spain
Dutch tourists are choosing Spain instead of Middle East destinations.
Cautious Travelers
Travelers are being more careful and looking for value.