, sometimes transliterated as `` Chalkedon '' ) was an ancient maritime town of Bithynia , in Asia Minor . It was located almost directly opposite Byzantium , south of Scutari ( modern Üsküdar ) and it is now a district of the city of Istanbul named Kadıköy .
Chalcedon ( Χαλκηδών , sometimes transliterated as `` Chalkedon '' ) was an ancient maritime town of Bithynia , in Asia Minor , almost directly opposite Byzantium , south of Scutari ( modern Üsküdar ) .