De or het nestelgelegenheid?

The correct Dutch article is:

de nestelgelegenheid

Rule Words ending in -heid: almost always de. See the rule

How to use nestelgelegenheid

the nestelgelegenheidde nestelgelegenheid
this nestelgelegenheiddeze nestelgelegenheid
that nestelgelegenheiddie nestelgelegenheid
our nestelgelegenheidonze nestelgelegenheid
your nestelgelegenheidjouw nestelgelegenheid
every nestelgelegenheidelke nestelgelegenheid
which nestelgelegenheid?welke nestelgelegenheid?
a big nestelgelegenheid / the big nestelgelegenheideen grote nestelgelegenheid, de grote nestelgelegenheid