Research Areas Area 0 Reference area DNA mapping Area 1 Lake Dummer Area 10 Border area Gelderse Poort / Kreis Kleve Area 11 Border Hunze en Aa’s Area 2 Achau Tieche Area 3 Vechtgebied Area 4 Sint Laurereins Area 5 Sint-Maartensheide – De Luysen Area 6 Mark Valley Herne Galmaarden Area 7 Hoogstraten Area 8 Wetterskyp Fryslan Area 9 Noord-Holland North from Alkmaar