De or het friesland?

The correct Dutch article is:

het friesland

How to use friesland

the frieslandhet friesland
this frieslanddit friesland
that frieslanddat friesland
our frieslandons friesland
your frieslandjouw friesland
every frieslandelk friesland
which friesland?welk friesland?
a big friesland / the big frieslandeen groot friesland, het grote friesland