Do I have to pay an additional VAT (Value Added Tax) and Customs Duties prior to delivery?
Most likely. This depends on the rules of each country and whether your total order value is over the tax-free threshold of the country. Please check the customs rules of each destination country.
For your convenience, here are a few links. This list is for informational purposes only. Errors in this list have no legal standing.
Most EU countries (general info)