Has the Algarve adopted a Unilateral Declaration of Independence (UDI) while no-one was looking and adopted it's own Justice system independent of Portugal?
Is that why the hub of the renewed investigation into Madeleine McCann's disappearance from the Algarve was instituted and continues in the Northern city of Porto which is possibly as far removed from the influence of Lisbon and the South as is logistically possible?
Previous posts from Lisbon and elsewhere have been deleted as off-topic, so think carefully before you nail your colours to the mast.
It is faster to get from Luton airport to Faro, than it is to get from here to Évora. That mis-presumption would put much of Western Europe under suspicion.
As a moderator, you are supposed to delete off-topic posts, not support them.
The Algarve means the Western end of the Arab empire. It was indeed a separate kingdom once upon a time.
The Alentejo means south of the river Tejo, known in English as the river Tagus, the river which empties into the Atlantic in Lisbon. It does not include The Algarve.
Lisbon is Lisbon. Porto is Porto. Neither is anywhere near the Algarve. Hence off-topic re the thread title.