De or het thema-indeling?

The correct Dutch article is:

de thema-indeling

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 thema-indeling

the thema-indelingde thema-indeling
this thema-indelingdeze thema-indeling
that thema-indelingdie thema-indeling
our thema-indelingonze thema-indeling
your thema-indelingjouw thema-indeling
every thema-indelingelke thema-indeling
which thema-indeling?welke thema-indeling?
a big thema-indeling / the big thema-indelingeen grote thema-indeling, de grote thema-indeling