On its site of Quirinus Chapel was originally a heathen shrine which the Romans later worshipped as an early Christian sanctuary. Since the 11th century the site has been consecrated to Saint Quirin and from the beginning of the 13th, services were held in the two caves of the chapel. The Gothic pilgrimage chapel, partly hewn in the rock, was erected in 1355, while the roof and the small belltowers were added afterwards, at the end of the 19th century.
References:The Temple of Edfu is one of the best preserved ancient shrines in Egypt. It was built in the Ptolemaic Kingdom between 237 and 57 BC.
Edfu was one of several temples built during the Ptolemaic Kingdom, including the Dendera Temple complex, Esna, the Temple of Kom Ombo, and Philae. Its size reflects the relative prosperity of the time. The present temple initially consisted of a pillared hall, two transverse halls, and a barque sanctuary surrounded by chapels. The building was started during the reign of Ptolemy III Euergetes and completed in 57 BC under Ptolemy XII Auletes. It was built on the site of an earlier, smaller temple also dedicated to Horus, although the previous structure was oriented east–west rather than north–south as in the present site.