2 Samuel 24:5

And passing the Jordan, they pitched in Aroer, on the right side of the city that lies in the midst of the river of Gad, and toward Jazer.

Deuteronomy 2:36

From Aroer, which is by the brink of the river of Arnon, and from the city that is by the river even unto Gilead, there was not one city escaped us; the LORD our God delivered all of them before us.

Joshua 13:9

from Aroer, that is upon the bank of the river Arnon, and the city that is in the midst of the river and all the plain of Medeba unto Dibon;

Joshua 13:16

and their border was from Aroer, that is on the bank of the river Arnon, and the city that is in the midst of the river and all the plain until Medeba,

Numbers 21:32

And Moses sent to spy out Jaazer, and they took the villages thereof and drove out the Amorite that was there.

Numbers 32:1

Now the sons of Reuben and the sons of Gad had a very great multitude of livestock, and when they saw the land of Jazer and the land of Gilead, it seemed unto them that the place was a place for livestock.

Numbers 32:3

Ataroth and Dibon and Jazer and Nimrah and Heshbon and Elealeh and Shebam and Nebo and Beon,

Numbers 32:35

and Atroth-shophan and Jaazer and Jogbehah

1 Samuel 30:28

and to those who were in Aroer and to those who were in Siphmoth and to those who were in Eshtemoa

Isaiah 16:8-9

For the vines of Heshbon were cut off and the vines of Sibmah; the lords of the Gentiles have trodden down the offshoots thereof, which had come even unto Jazer and extended through the wilderness; they had gone over the sea.

Isaiah 17:2

The cities of Aroer are forsaken; they shall be for flocks, which shall lie down, and none shall make them afraid.

Treasury of Scripture Knowledge

Summary

And they passed over Jordan, and pitched in Aroer, on the right side of the city that lieth in the midst of the river of Gad, and toward Jazer:

Bible References

Jazer

Numbers 32:1
Now the sons of Reuben and the sons of Gad had a very great multitude of livestock, and when they saw the land of Jazer and the land of Gilead, it seemed unto them that the place was a place for livestock.
Isaiah 16:8
For the vines of Heshbon were cut off and the vines of Sibmah; the lords of the Gentiles have trodden down the offshoots thereof, which had come even unto Jazer and extended through the wilderness; they had gone over the sea.