Parallel
Mark 5:20
Robinson-Pierpont Byzantine Textform · Berean Standard Bible
Καὶ ἀπῆλθεν καὶ ἤρξατο κηρύσσειν ἐν τῇ Δεκαπόλει ὅσα ἐποίησεν αὐτῷ ὁ Ἰησοῦς· καὶ πάντες ἐθαύμαζον.
So the man went away and began to proclaim throughout the Decapolis (note: That is, the Ten Cities) how much Jesus had done for him. And everyone was amazed.