Now the king and his men marched to Jerusalem against the Jebusites who inhabited the land. The Jebusites said to David: “You will never get in here. Even the blind and lame can repel you.” For they thought, “David cannot get in here.”
If Salem, the place of which Melchizedec was king, was Jerusalem (as seems probable from Psa 76:2), it was famous in Abraham's time. Joshua, in his time, found it the chief city of the south part of Canaan, Jos 10:1-3. It fell to Benjamin's lot (Jos 18:28), but joined close to Judah's, Jos 15:8.
Commenting on 2 Samuel 5:6-10
And the king and his men went to Jerusalem,.... Which, at least part of it, belonged to the tribe of Benjamin; and therefore until all Israel, and that tribe, with the rest, made him king, he did not attempt the reduction of it, but now he immediately set out on an expedition against it: unto the Jebusites, the inhabitants of the land: who inhabited the...
HE TAKES ZION FROM THE JEBUSITES. (Sa2 5:6-12) the king and his men went to Jerusalem unto the Jebusites--The first expedition of David, as king of the whole country, was directed against this place, which had hitherto remained in the hands of the natives.