Mark 5:20

And he departed, and began to publish in the ten cities, what great things Jesus had done unto him; and all men did marvel.

Matthew 4:25

And there followed him a great number of people from Galilee, and from the ten cities, and from Jerusalem, and from Jewry, and from the regions that lie beyond Jordan.

Mark 7:31

And he departed again from the coasts of Tyre and Sidon, and came unto the sea of Galilee through the midst of the coasts of the ten cities.

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 he departed again from the coasts of Tyre and Sidon, and came unto the sea of Galilee through the midst of the coasts of the ten cities.
Matthew 4:25
And there followed him a great number of people from Galilee, and from the ten cities, and from Jerusalem, and from Jewry, and from the regions that lie beyond Jordan.