Stratonicea – (Greek: Στρατoνικεια, or Στρατονίκεια) also transliterated as Stratoniceia and Stratonikeia, earlier Indi, and later for a time Hadrianapolis – was an ancient city in the valley of the Caicus river, between Germe and Acrasus, in Lydia, Anatolia; its site is currently near the village of Siledik, in the district of Kırkağaç, Manisa Province, in the Aegean Region of Turkey.