Mark 5:20

And he went away and began to proclaim in the Decapolis how great things Jesus had done for him; and all wondered.

Matthew 4:25

And great crowds followed him from Galilee, and Decapolis, and Jerusalem, and Judaea, and beyond the Jordan.

Mark 7:31

And again having left the borders of Tyre and Sidon, he came to the sea of Galilee, through the midst of the coasts 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
And again having left the borders of Tyre and Sidon, he came to the sea of Galilee, through the midst of the coasts of Decapolis.
Matthew 4:25
And great crowds followed him from Galilee, and Decapolis, and Jerusalem, and Judaea, and beyond the Jordan.