Pliny the Elder mentioned Sibde in Caria as appended by Alexander the Great to the jurisdiction of The League of the Six Cities (Dorian Hexapolis)
See:
- Richard Talbert, ed. Barrington Atlas of the Greek and Roman World. Princeton University Press 2000, p. 61
- The Natural History. Pliny the Elder. John Bostock, M.D., F.R.S. H.T. Riley, Esq., B.A. London. Taylor and Francis, Red Lion Court, Fleet Street. 1855, Book V.chap 29
- https://www.cambridge.org/core/services/aop-cambridge-core/content/view/60E86FCD9E0ED8D08A6B97B3CD9E800E/S0066154623000042a.pdf/who_were_the_lelegians_interrogating_affiliations_boundaries_and_difference_in_ancient_caria.pdf
- The Halicarnassus Peninsula G. E. Bean, J. M. Cook and W. H. P. vol. 50 (1955) p. 125