Psa 87:1-7. This triumphal song was probably occasioned by the same event as the forty-sixth [see on Psa 46:1, title]. The writer celebrates the glory of the Church, as the means of spiritual blessing to the nation.
His - that is, God’s
foundation - or, what He has founded, that is, Zion (Isa 14:32).
is in the holy mountains - the location of Zion, in the wide sense, for the capital, or Jerusalem, being on several hills.