De or het poule-indeling?

The correct Dutch article is:

de poule-indeling

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

How to use poule-indeling

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