Yeşilköy (Turkish: [jeˈʃilcœj]; meaning "Green Village"; prior to 1926, San Stefano or Santo Stefano Greek: Άγιος Στέφανος, Turkish: Ayastefanos) is an affluent neighbourhood (Turkish: mahalle) in the district of Bakırköy, Istanbul, Turkey, on the Marmara Sea about west of Istanbul's historic city centre. Prior to the rapid increase of Istanbul's population in the 1970s, Yeşilköy was a secluded village and sea resort. Etymology The original name, San Stefano, in use until 1926, derives from a l…