Church III is a three-aisled basilica dates to the late 5th century-early 6th century and was
used until the beginning of the 7th century before being abandoned.
See:
-
Seçkin Evcim-Gökçen Kurtuluş Öztaşkın . “Early Byzantine Churches in Olympos.” Journal of Archaeology & Art 161, 2019. https://www.academia.edu/43441453/Early_Byzantine_Churches_in_Olympos