'Regions' in the Bible

Saul was consenting to his death. A great persecution arose against the assembly which was in Jerusalem in that day. They were all scattered abroad throughout the regions of Judea and Samaria, except for the apostles.

but now, no longer having any place in these regions, and having these many years a longing to come to you,

As the truth of Christ is in me, no one will stop me from this boasting in the regions of Achaia.

Then I came to the regions of Syria and Cilicia.