The Church V in Olympos earlier reffered as "Genoese Castle", "Medieval Castle-G4 Church” and “Basilica at South Castle (Genoese Castle)” . During the survey in 2001 the building was identified as an Early Byzantine church from the fifth -six century.
See:
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öztaşkın, gökçen kurtuluş. “Early Byzantine Churches in Olympos.” Journal of Archaeology & Art 161, 2019. https://www.academia.edu/43441453/Early_Byzantine_Churches_in_Olympos