Mark 5:20

So he went and began to publish abroad in the District of the Ten Towns all that Jesus had done for him; and every one was astonished and all men marveled.

Matthew 4:25

Great crowds followed him from Galilee, from the ten towns, from Jerusalem, and Judea, and from beyond Jordan.

Mark 7:31

Again he left the region of Tyre, and passed through Sidon to the Sea of Galilee, crossing the District of the Ten Towns.

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 left the region of Tyre, and passed through Sidon to the Sea of Galilee, crossing the District of the Ten Towns.
Matthew 4:25
Great crowds followed him from Galilee, from the ten towns, from Jerusalem, and Judea, and from beyond Jordan.