Under the Schengen Agreement the following countries have opened their borders to one another:
AustriaBelgiumDenmarkFinlandFranceGermanyGreeceIcelandItalyLuxembourgthe NetherlandsNorwayPortugalSpainSweden
A visa issued for a visit to one of these countries is normally valid in all of the other countries as well. Only in exceptional cases can a person be granted a visa that is valid in one country only.