The main port, Kamares, lies 5 km (3 miles) from the capital Apollonia, and its sister town Artemon (both named for the brother and sister god and goddess of ancient Greek mythology).
Artemon and Apollonia were siblings in mythology. 
mnli hypothesis: Artemon and Apollonia were siblings in mythology.  premise: The main port, Kamares, lies 5 km (3 miles) from the capital Apollonia, and its sister town Artemon (both named for the brother and sister god and goddess of ancient Greek mythology).