Mark 5:20

He went his way, and began to proclaim in Decapolis how Jesus had done great things for him, and everyone marveled.

Matthew 4:25

Great multitudes from Galilee, Decapolis, Jerusalem, Judea and from beyond the Jordan followed him.

Mark 7:31

Again he departed from the borders of Tyre and Sidon, and came to the sea of Galilee, through the midst of the region of 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
Again he departed from the borders of Tyre and Sidon, and came to the sea of Galilee, through the midst of the region of Decapolis.
Matthew 4:25
Great multitudes from Galilee, Decapolis, Jerusalem, Judea and from beyond the Jordan followed him.