How many letters does the top answer for “city in seleucid empire” have?

The most common answer is ephesus (7 letters).

Crossword clue: city in seleucid empire

1 answer found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

ephesus 7 letters wd-fact-v3

the third ecumenical council in 431 which declared Mary as mother of God and condemned Pelagius

city in achaemenid empire 50% similar → dascylium, ephesus

city in byzantine empire 50% similar → ephesus, smyrna, tokat

city in german empire 50% similar → konigsberg, strzelcekrajenskie

city in maratha empire 50% similar → ajmer, dhar, ujjain

city in mughal empire 50% similar → ajmer

city in ottoman empire 50% similar → aneniinoi, ephesus, petahtikva

city in roman empire 50% similar → byzantium, ephesus

city in russian empire 50% similar → aneniinoi, kelme, kokshetau