Luke 23:7

And, getting to know that he was of the jurisdiction of Herod, he sent him back unto Herod, he also, being in Jerusalem in these days.

Luke 3:1

Now, in the fifteenth year of the supremacy of Tiberius Caesar, - Pontius Pilate being governor of Judaea, and Herod being tetrarch of Galilee, and, Philip his brother, tetrarch of Ituraea and the country of Trachonitis, and Lysanius, tetrarch of Abylene, -

Luke 13:31

In that very hour, came near certain Pharisees, saying unto him, Go forth, and be journeying hence, because, Herod, desireth to slay thee.

Matthew 14:1

In that season, heard Herod the tetrarch, the fame of Jesus:

Treasury of Scripture Knowledge

Summary

And as soon as he knew that he belonged unto Herod's jurisdiction, he sent him to Herod, who himself also was at Jerusalem at that time.

Bible References

Herod's

Luke 3:1
Now, in the fifteenth year of the supremacy of Tiberius Caesar, - Pontius Pilate being governor of Judaea, and Herod being tetrarch of Galilee, and, Philip his brother, tetrarch of Ituraea and the country of Trachonitis, and Lysanius, tetrarch of Abylene, -
Luke 13:31
In that very hour, came near certain Pharisees, saying unto him, Go forth, and be journeying hence, because, Herod, desireth to slay thee.