Stratonikeia occupies a Carian landscape in southwestern Anatolia that was settled before the Hellenistic city received its famous name. Earlier communities known from texts and archaeology complicate the traditional foundation date of 281 BCE. A Seleucid ruler, usually identified as Antiochus I, is said to have named the city for Stratonice, his wife and former stepmother. The account reflects dynastic memory, but Stratonikeia developed by reorganizing an existing population and sacred territory rather than by creating a city on empty land.

The city passed among Seleucid, Rhodian, Macedonian, and local authorities before entering Rome's sphere. It retained important civic institutions and at times enjoyed privileged or free status. A grid of streets connected the agora, bouleuterion, theater, baths, gymnasium, temples, gates, fountains, and extensive cemeteries. Inscriptions record decrees, benefactors, prices, religious offices, contests, and gladiators. They reveal a multilingual region in which Carian identities persisted alongside Greek civic culture and later Roman administration.

Stratonikeia was linked by a sacred road to the sanctuary of Hecate at Lagina, whose festivals joined religious devotion with civic identity. The nearby sanctuary of Zeus Chrysaoreus also connected communities of the Chrysaoric League. Agriculture and marble quarrying supported monumental construction and trade. Earthquakes repeatedly damaged buildings, and residents repaired or reused them through late antiquity. Christian churches and altered urban spaces show religious transformation, while Byzantine and later Turkish settlement continued within and around the ancient walls.

Ottoman-period houses, lanes, a mosque, bath, shops, and public buildings survive beside classical ruins in the village of Eskihisar. This unusual overlap demonstrates continuity but also displacement. Twentieth-century lignite mining expanded nearby, and many residents were relocated as excavation and industrial activity changed the landscape. Archaeologists have uncovered major buildings while documenting Ottoman and Republican layers. Presenting only the Hellenistic city would erase the households, crafts, farming, and modern community that preserved and altered the site.

Earthquakes, mining vibration, groundwater, erosion, vegetation, heat, visitor traffic, and exposed masonry threaten Stratonikeia. Conservation must manage ancient monuments, historic village buildings, sacred routes, cemeteries, and living memory as one cultural landscape. The site is significant because Carian traditions, Hellenistic royal politics, Greek civic institutions, Roman prosperity, Christianity, Ottoman village life, and modern industrial change occupy the same ground. Its layered character offers an exceptional corrective to the idea that an archaeological park belongs to only one civilization or date. Local memory remains essential evidence for the most recent transformations of this place.