[QUOTE=garysdad]Wikipedia : Netherlands (http://en.wikipedia.org/wiki/Netherlands)
The Netherlands is often called Holland, which is formally incorrect as North and South Holland are merely two of its twelve provinces.

Wikipedia : Holland (http://en.wikipedia.org/wiki/Holland)
Holland is a name in common usage given to two regions in the western part of the Netherlands. The name 'Holland' is also often mistakenly used to refer to the whole of The Netherlands.

所以你們老師說的沒錯喔！

謝謝指正