Mark 5:20

And he departed and began to proclaim in Decapolis how much Jesus had done for him. And all marvelled.

Matthew 4:25

And great multitudes of people followed Him, from Galilee and Decapolis and Jerusalem and Judea and beyond Jordan.

Mark 7:31

And again, departing from the coasts of Tyre and Sidon, He came to the Sea of Galilee, in the midst of the borders of the Decapolis.

Treasury of Scripture Knowledge

Summary

And he departed, and began to publish in Decapolis how great things Jesus had done for him: and all men did marvel.

Bible References

Decapolis

Mark 7:31
And again, departing from the coasts of Tyre and Sidon, He came to the Sea of Galilee, in the midst of the borders of the Decapolis.
Matthew 4:25
And great multitudes of people followed Him, from Galilee and Decapolis and Jerusalem and Judea and beyond Jordan.