Luke 3:3

He came into all the region around the Jordan, preaching the baptism of repentance for remission of sins.

Luke 1:77

to give knowledge of salvation to his people by the remission of their sins,

Matthew 3:5-6

Then people from Jerusalem, all of Judea, and all the region around the Jordan went out to him.

Matthew 3:11

I indeed baptize you in water for repentance, but he who comes after me is mightier than I, whose shoes I am not worthy to carry. He will baptize you in the Holy Spirit.

Mark 1:4-5

John came baptizing in the wilderness and preaching the baptism of repentance for forgiveness of sins.

John 1:28

These things were done in Bethany beyond the Jordan, where John was baptizing.

John 1:31-33

I didn't know him, but for this reason I came baptizing in water: that he would be revealed to Israel."

John 3:26

They came to John, and said to him, "Rabbi, he who was with you beyond the Jordan, to whom you have testified, behold, the same baptizes, and everyone is coming to him."

Acts 13:24

before his coming, when John had first preached the baptism of repentance to Israel.

Acts 19:4

Paul said, "John indeed baptized with the baptism of repentance, saying to the people that they should believe in the one who would come after him, that is, in Jesus."

Acts 22:16

Now why do you wait? Arise, be baptized, and wash away your sins, calling on the name of the Lord.'

Treasury of Scripture Knowledge

Summary

And he came into all the country about Jordan, preaching the baptism of repentance for the remission of sins;

For

Bible References

The country

Matthew 3:5
Then people from Jerusalem, all of Judea, and all the region around the Jordan went out to him.
Mark 1:4
John came baptizing in the wilderness and preaching the baptism of repentance for forgiveness of sins.
John 1:28
These things were done in Bethany beyond the Jordan, where John was baptizing.
John 3:26
They came to John, and said to him, "Rabbi, he who was with you beyond the Jordan, to whom you have testified, behold, the same baptizes, and everyone is coming to him."

Preaching

Matthew 3:6
They were baptized by him in the Jordan, confessing their sins.
Mark 1:4
John came baptizing in the wilderness and preaching the baptism of repentance for forgiveness of sins.
John 1:31
I didn't know him, but for this reason I came baptizing in water: that he would be revealed to Israel."
Acts 13:24
before his coming, when John had first preached the baptism of repentance to Israel.
Acts 19:4
Paul said, "John indeed baptized with the baptism of repentance, saying to the people that they should believe in the one who would come after him, that is, in Jesus."
Acts 22:16
Now why do you wait? Arise, be baptized, and wash away your sins, calling on the name of the Lord.'

For

Luke 1:77
to give knowledge of salvation to his people by the remission of their sins,