He was trained as an architect at the Architectural Association School of Architecture in London, from where he graduated in 1974. He specializes in large format photography of architectural and archaeological edifices of the Hellenistic, Roman, Byzantine and Ottoman periods in the history of Turkey. With Ahmet Kocabıyık he founded Ertuğ & Kocabıyık: Publishers of Fine Art Books. Ahmet Ertuğ's photographs were published in a series of 25 volumes. In 2009 Ahmet Ertuğ photographed 30 historical libraries in Europe. He developed the volume Temples of Knowledge: Libraries of the Western World from these photographs. His latest photographic project documenting the architecture of grand opera houses has been published under the title Palaces of Music: Opera Houses of Europe in December 2010, text written by Michael Forsyth.
In 2012 the tome Gods of Nemrud: The Royal Sanctuary of Antiochos & the Kingdom of Commagene followed. It deals with the archaeological material from Commagene of the first century BC connected to the local kingdom of Antiochus I. Text contributed by R.R.R. Smith.
He uses large format camera equipment and 20 x 25 cm film material, also high resolution digital camera backs in specific locations. All limited edition volumes are printed and bound manually in Italy and Switzerland. All books of Ahmet Ertuğ have been published in Folio and larger formats.
- Silks for the Sultans: Ottoman Imperial Garments from Topkapi Palace (1996)
- Hagia Sophia: A Vision for Empires; text by Cyril Mango (1997)
- Gardens of Paradise:16th Century Turkish Ceramic Tile Decoration; text by Walter Denny (1997)
- Sinan: an Architectural Genius; text by Doğan Kuban (1999)
- Anatolian Carpets: Masterpieces from the Turkish and Islamic Arts Museum, Istanbul; text by Walter Denny & Nacan Olcer (1999)
- Chora: The Scrolls of Heaven; text by Cyril Mango (2000)
- Sculptured for Eternity: Treasures of Hellenistic, Roman and Byzantine Art from the Istanbul Archaeological Museum; text by R.R.R. Smith (2001)
- Spirituel Journey: Sacred Art From Musée Guimet; texts written by the curators of the museum (2004)
- Sacred Art of Cappadocia: Byzantine murals from the 6th to 13th Centuries; text by Catherine-Jolivet Levy (2006)
- Ephesos: Architecture, Monuments and Sculpture; text written by members of the Archaeological Institute of Austria (2007)
- Aphrodisias: Roman Asian Architecture, Monuments and Sculpture; text by R.R.R.Smith, director of excavations in Aphrodisias (2008)
- Temples of Knowledge: Libraries of the Western World; text by Friedrich Krizinger (2009)
- Palaces of Music; Opera Houses of Europe; texts by Michael Forsyth and Rolf Sachsse
- Gods of Nemrud: The Royal Sanctuary of Antiochos & the Kingdom of Commagene; text by R.R.R. Smith
Ahmet Ertuğ's Hagia Sophia photographs can be viewed in the upper northern gallery of the Hagia Sophia in Istanbul as a permanent exhibition. The Ephesos Museum, located in the Hofburg Palace in Vienna, Austria, also permanently displays his works on the subject