It is constructed, like the nearby Temple of Juno, on a solid base designed to overcome the unevenness of the rocky terrain.

It has been conventionally named after Concordia, the Roman goddess of harmony, for the Roman-era Latin inscription found nearby, which is unrelated to it.

[1][2] The temple was converted into a Christian basilica in the 6th century dedicated to the apostles Peter and Paul by San Gregorio delle Rape, bishop of Agrigento and thus survived the destruction of pagan places of worship.

[2][4][6] The spaces between the columns were filled with walling, altering its Classical Greek form.

[1] According to another source, the Prince of Torremuzza transferred the altar elsewhere and began restoration of the classic building in 1788.