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:
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Bean, G. E., et al. “The Halicarnassus Peninsula.” The Annual of the British School at Athens, vol. 50, 1955, pp. 85–171. JSTOR, p.125 (online)
- Who were the Lelegians? Interrogating affiliations, boundaries and difference in ancient Caria. By Jana Mokrišová. page 115 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