This is added as another reason inviting and obliging them to go up to Jerusalem, and as another commendation of this city. Thrones of judgment; the supreme courts of justice for ecclesiastical, and especially for civil affairs, as the next clause explains it. The thrones of the house of David; the royal throne allotted by God to David and to his posterity for ever, and the inferior seats of justice established by and under his authority. See 2 Chronicles 19:8-10.
Related Commentaries of Psalms 122:5
Psalms 122:5
5 For there are set thrones of judgment, the thrones of the house of David.