A rectangular church (or chapel) is located on the saddle of land south of the main site, connecting it with the surrounding plain. It was built during the 5th–6th centuries AD, and was used by incoming pilgrims for prayer and worship. It had a mosaic floor with cross decorations and arches supporting the roof, of which one has been reconstructed. This church was named after His Holiness Pope John Paul II to commemorate his visit and blessing of the site on the 21st of March 2000.

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