Probably most of us know where Portugal is. I hear it's lovely.http://satan.helloutro.com/
The Church of Satan
does not have brick and mortar churches, nor do we place nonmembers in contact with members. However, the above link is to a Portuguese CoS member's personal site which I hear is of excellent repute, and may be helpful to you.
"The devil I'll bring you," answered Hagen. "I have enough to carry with my shield and breastplate; my helm is bright, the sword is in my hand, therefore I bring you naught."