2 Samuel 19:15 (BSB)

So the king returned, and when he arrived at the Jordan, the men of Judah came to Gilgal to meet him and escort him across the Jordan.

From 2 Samuel 19. Also in the ESV.

Commentary on 2 Samuel 19:15

• Matthew Henry (Presbyterian), Matthew Henry's Complete Commentary on 2 Samuel 19:9-15: It is strange that David did not immediately upon the defeat and dispersion of Absalom's forces march with all expedition back to Jerusalem, to regain the possession of his capital city, while the rebels were in confusion and before they could rally again. What occasion was there to bring him back? Could not he himself go back with the victorious army he had with him in Gilead?
• John Gill (Reformed Baptist), Exposition of the Old and New Testaments on 2 Samuel 19:15: So the king returned, and came to Jordan,.... From Mahanaim thither, which according to Bunting (i) was twenty eight miles: and Judah came to Gilgal; that is, the elders, or principal men of the tribe of Judah, came thither; which place, according to the same writer (k), was twelve miles from Jerusalem, and four from Jordan; and was the first place the Israelites came to...
• Jamieson-Fausset-Brown (Reformed), Commentary Critical and Explanatory on the Whole Bible on 2 Samuel 19:9-43: THE ISRAELITES BRING THE KING BACK. (2Sa. 19:9-43) all the people were at strife throughout all the tribes of Israel--The kingdom was completely disorganized. The sentiments of three different parties are represented in Sa2 19:9-10 : the royalists, the adherents of Absalom who had been very numerous, and those who were indifferent to the Davidic dynasty.
• Jamieson-Fausset-Brown (Reformed), Commentary Critical and Explanatory on the Whole Bible on 2 Samuel 19:15: Judah came to Gilgal--the most convenient place where preparations could be made for bringing the king and court over the Jordan.