Hello Thomas,
Definitely from the greater Aceh region or sphere of influence. Just remove the hair, and the sword will be happy...
The generic name would be gliwang (= klewang) but local names do change for the same type of blade.
Are those dark spots close to the back of the blade leftover depressions from bladesmithing? If so, this may hint to local production in a remote area - certainly unusual for Aceh!
Regards,
Kai