Mark 5:20

And he departed, and began to proclaim in Decapolis how much Jesus did for him. And all men marveled.

Matthew 4:25

And many multitudes from Galilee and Decapolis and Jerusalem and Judea and beyond the Jordan followed him.

Mark 7:31

And again having departed from the borders of Tyre and Sidon, he came to the sea of Galilee in the midst of the regions 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 departed from the borders of Tyre and Sidon, he came to the sea of Galilee in the midst of the regions of Decapolis.
Matthew 4:25
And many multitudes from Galilee and Decapolis and Jerusalem and Judea and beyond the Jordan followed him.