The Unit Enters Reigon Trigger

For some reason, when a unit enters a reigon and triggers the Unit enters reigon event, the condition Unit in Reigon Triggering Unit still can evaluate to false.

Is there any way to test what region a unit is in? I put unit enters region event for every region, then used an array to loop though and find the region that unit was in. It looks like im gonna have to make a trigger for each region, which doesnt sound like fun ( 80 regions ).

Any help on this? Thanks.