De or het congrespresidium?

The correct Dutch article is:

het congrespresidium

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

How to use congrespresidium

the congrespresidiumhet congrespresidium
this congrespresidiumdit congrespresidium
that congrespresidiumdat congrespresidium
our congrespresidiumons congrespresidium
your congrespresidiumjouw congrespresidium
every congrespresidiumelk congrespresidium
which congrespresidium?welk congrespresidium?
a big congrespresidium / the big congrespresidiumeen groot congrespresidium, het grote congrespresidium