2 Samuel 12:26
Now Joab fought against Rabbah of the Ammonites and took the royal city.
Deuteronomy 3:11
(For only Og the king of Bashan was left of the remnant of the Rephaim. Behold, his bed was a bed of iron. Is it not in Rabbah of the Ammonites? Nine cubits was its length, and four cubits its breadth, according to the common cubit.)
1 Chronicles 20:1-3
In the spring of the year, the time when kings go out to battle, Joab led out the army and ravaged the country of the Ammonites and came and besieged Rabbah. But David remained at Jerusalem. And Joab struck down Rabbah and overthrew it.
2 Samuel 11:25
David said to the messenger, "Thus shall you say to Joab, 'Do not let this matter trouble you, for the sword devours now one and now another. Strengthen your attack against the city and overthrow it.' And encourage him."