Haller's Concordance for THE HOLY BIBLE: Young's Literal: Haller's Concordance: DECAPOLIS

And there followed him many multitudes from Galilee, and Decapolis, and Jerusalem, and Judea, and beyond the Jordan. Mt. 4:25
and he went away, and began to proclaim in the Decapolis how great things Jesus did to him, and all were wondering. Mk. 5:20
And again, having gone forth from the coasts of Tyre and Sidon, he came unto the sea of Galilee, through the midst of the coasts of Decapolis, Mk. 7:31