De or het media-imperium?

The correct Dutch article is:

het media-imperium

Rule Words ending in -um and -ium: usually het. See the rule

How to use media-imperium

the media-imperiumhet media-imperium
this media-imperiumdit media-imperium
that media-imperiumdat media-imperium
our media-imperiumons media-imperium
your media-imperiumjouw media-imperium
every media-imperiumelk media-imperium
which media-imperium?welk media-imperium?
a big media-imperium / the big media-imperiumeen groot media-imperium, het grote media-imperium