Large crowds followed Him, having come from Galilee, the Decapolis, Jerusalem, Judea, and beyond the Jordan.
See here, I. What an industrious preacher Christ was; He went about all Galilee, teaching in their synagogues, and preaching the gospel of the kingdom. Observe, 1. What Christ preached - the gospel of the kingdom. The kingdom of heaven, that is, of grace and glory, is emphatically the kingdom, the kingdom that was now to come; that kingdom which shall survive, as it doth...
Commenting on Matthew 4:23-25
Verse 25. From Decapolis. Decapolis was the name of a region of country in the bounds of the half tribe of Manasseh, mainly on the east of Jordan. It was so called because it included ten cities--the meaning of the word Decapolis in Greek.
And there followed him great multitudes of people from Galilee, and from Decapolis--a region lying to the east of the Jordan, so called as containing ten cities, founded and chiefly inhabited by Greek settlers. and from Jerusalem, and from beyond Jordan--meaning from Perea. Thus not only was all Palestine upheaved, but all the adjacent regions.