Luke 23:7

and when he learned that he belonged to Herod's jurisdiction he sent him to Herod, who himself happened to be in Jerusalem during those days.

Luke 3:1

Now in the fifteenth year of the reign of Tiberius Caesar, when Pontius Pilate was governor of Judea, and Herod was tetrarch of Galilee, his brother Philip, tetrarch of Ituraea and Trachonitis, and Lysanias, tetrarch of Abilene;

Luke 13:31

That very day there came some Pharisees to him, saying, "Get out of here and go away, for Herod wishes to kill you."

Matthew 14:1

Just then Herod, the Tetrarch, heard of Jesus' fame, and said to his courtiers.

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 reign of Tiberius Caesar, when Pontius Pilate was governor of Judea, and Herod was tetrarch of Galilee, his brother Philip, tetrarch of Ituraea and Trachonitis, and Lysanias, tetrarch of Abilene;
Luke 13:31
That very day there came some Pharisees to him, saying, "Get out of here and go away, for Herod wishes to kill you."