FrieslandThe sand dunes here are particularly well-maintained and monitored, as they are a major tourist attraction in Frisia, along with the UNESCO-listed Wadden Sea. Martin Siepmann/ age fotostock
The coast is a long line of sophisticated, family orientated and bustling sea resorts. Each holidaymaker will find his or her favourite beach: Noordwijk, Scheveningen, Zandvoort and Katwijk are very well-known beaches.