'Dispersion' in the Bible

The Jews therefore said among themselves, Whither will this man go that we shall not find him? will he go unto the Dispersion among the Greeks, and teach the Greeks?

James, a servant of God and of the Lord Jesus Christ, to the twelve tribes which are of the Dispersion, greeting.

Peter, an apostle of Jesus Christ, to the elect who are sojourners of the Dispersion in Pontus, Galatia, Cappadocia, Asia, and Bithynia,