De or het zaalindeling?

The correct Dutch article is:

de zaalindeling

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

This word is not in the word lists we use to double-check answers.

How to use zaalindeling

the zaalindelingde zaalindeling
this zaalindelingdeze zaalindeling
that zaalindelingdie zaalindeling
our zaalindelingonze zaalindeling
your zaalindelingjouw zaalindeling
every zaalindelingelke zaalindeling
which zaalindeling?welke zaalindeling?
a big zaalindeling / the big zaalindelingeen grote zaalindeling, de grote zaalindeling