
Giorgio Ennas è Professore Aggiunto e Affiliated Scholar presso la Franklin Switzerland di Sorengo (FS). I suoi campi di interesse sono la storia della conoscenza, della diplomazia e della medicina nel Mediterraneo durante il “lungo” XIX e XX secolo, con particolare riferimento alle relazioni tra l’Impero Ottomano e i Paesi europei nell’area balcanica e nel Nord Africa, in particolare con l’Italia e la Svizzera.
Tra il 2017 e il 2021 è stato ricercatore presso l’Istituto Universitario Europeo di Fiesole (IUE). Nel giugno 2021 ha difeso la sua tesi di dottorato in lingua inglese dal titolo The Mediterranean Mirror. Italo-Ottoman Relations in an Age of Transition, 1856-1871. Tra le sue pubblicazioni figurano gli articoli “Connecting the Two Seas: Negotiating an International Modus Vivendi – Italian and Ottoman Diplomacies in the Suez-Red Sea Area”, “Negotiating Protection. The Inclusion of Ottoman-Swiss Relations in the Diplomatic Germansphere during the First World War”, e il volume Reports of Cesare Durando Italian Vice-Consul in Sarajevo (1863-1867). Nel gennaio del 2026 ha pubblicato la sua prima monografia in inglese dal titolo Italo-Ottoman Relations in the Age of the Congress of Paris: Mirroring the ‘Other’, 1856-1871.
Tra il 2021 e il 2023 ha lavorato come Principal Investigator (PI) di un progetto biennale intitolato Pandemics and Borders. Pandemics as Driver towards Modern Borders and International Collaboration in the 19th century Mediterranean and South Eastern European Periphery finanziato dalla Swiss Network for International Studies (SNIS)(https://snis.ch/projects/study-aims-to-investigate-the-nature-scale-and-root-causes-of-missed-opportunities-for-the-detection-and-referral-of-vawg-in-primary-care-and-emergency-departments-in-tirana-albania-and-belo-horizon/). Tra il 2023 e il 2024 ha lavorato come PI di un progetto annuale finanziato dalla Giunta Centrale per gli Studi Storici (GCSS) di Roma, dal titolo La professione di console. Cesare Durando e la professionalizzazione della carriera consolare della destra storica, 1863-1876. Tra il 2024 e il 2026 ha lavorato come ricercatore postdoc all’Università di Utrecht (UU) nel progetto ERC Cooperation 2024-2029 guidato dal Prof. Ozan Ozavci (UU) (https://fighting-pandemics.sites.uu.nl/).
Giorgio Ennas is an Adjunct Professor and Affiliated Scholar at Franklin Switzerland. His fields of interest are the history of knowledge, diplomacy and health in the Mediterranean during the ‘long’ nineteenth and twentieth centuries, with particular reference to the relations between the Ottoman Empire and the European countries in the Balkan area and in North Africa, particularly with Italy and Switzerland.
Between 2017 and 2021, he was a researcher at the European University Institute in Fiesole (EUI). In June 2021, he successfully defended his dissertation entitled ‘The Mediterranean Mirror. Italo-Ottoman Relations in an Age of Transition, 1856-1871’. Among his publications are, the articles ‘Connecting the Two Seas: Negotiating an International Modus Vivendi – Italian and Ottoman Diplomacies in the Suez-Red Sea Area’, ‘Negotiating Protection. The Inclusion of Ottoman-Swiss Relations in the Diplomatic Germansphere during the First World War’, and the volume Reports of Cesare Durando Italian Vice-Consul in Sarajevo (1863-1867). In January 2026, he published his first monograph in English entitled Italo-Ottoman Relations in the Age of the Congress of Paris: Mirroring the ‘Other’, 1856-1871.
Between 2021 and 2023, he has worked as the Principal Investigator (PI) of a two-year project entitled Pandemics and Borders. Pandemics as Driver towards Modern Borders and International Collaboration in 19th century Mediterranean and South Eastern European Periphery funded by the Swiss Network for International Studies (SNIS) (https://snis.ch/projects/study-aims-to-investigate-the-nature-scale-and-root-causes-of-missed-opportunities-for-the-detection-and-referral-of-vawg-in-primary-care-and-emergency-departments-in-tirana-albania-and-belo-horizon/). Between 2023 and 2024, he worked as PI of a one-year project funded by the Giunta Centrale per gli Studi Storici (GCSS) of Rome, entitled The Profession of Consul. Cesare Durando and the Professionalisation of the Consular Career of the Historic Right, 1863-1876. Between 2024 and 2026, he worked as postdoctoral fellow at the University of Utrecht (UU) in the ERC Cooperation 2024-2029 project led by Prof. Ozan Ozavci (UU) (https://fighting-pandemics.sites.uu.nl/).
Monographs
‘Italo-Ottoman Relations in the Age of the Congress of Paris: Mirroring the ‘Other’, 1856-1871’, Bloomsbury, London, 2026 (https://www.bloomsbury.com/us/italoottoman-relations-in-the-age-of-the-congress-of-paris-9781350378254/).
Edited volumes
Bernd Bucher-Giorgio Ennas, Sanitary Boundaries. Understanding the Sanitary Genesis of Borders between the Seventeenth and Twentieth Centuries, Routledge, London, 23 November 2026, ISBN: 9781041125426 (https://www.routledge.com/Borders-and-Sanitation-from-the-Seventeenth-to-the-Twenty-First-Century/Ennas-Bucher/p/book/9781041125426).
Arda Akıncı-Giorgio Ennas-Fatma Aladağ-Stefan Rohdewald, From the Frontiers of the Empire to the Borders of the Nations. Borderland, Security and Safety in the (post-)Ottoman Spaces (1700-1939), V & R Unipress GmbH, 2026, ISBN:978-3-8471-1825-1 (https://www.vandenhoeck-ruprecht-verlage.com/themen-entdecken/geschichte/osteuropaeische-geschichte/59703/from-the-frontiers-of-the-empire-to-the-borders-of-the-nations?srsltid=AfmBOopPIkO01jNwjf_tnz_huqsLFnPCVofHlT3WOGe5qKf5lm-TCrDy).
Chapters for edited volumes
‘Negotiated Maritime Border. Sanitary Cooperation between Beys and Consuls and the Genesis of the Tunisian Maritime Border’, in Bernd Bucher-Giorgio Ennas (eds.), Sanitary Boundaries. Understanding the Sanitary Genesis of Borders between the Seventeenth and Twentieth Centuries, Routledge, London, November 2026.
‘Protecting the Swiss The Protection of the Swiss Citizens in the Ottoman Empire between Schutzgenossenschaft and National Consuls in the 1870s’, in Lars Regula- Jörg Ulbert (eds.), Consular Jurisdiction: On the History of the Judicial Functions of Consulates (12th-20th century), Studies of International Law 83/30, 2026, ISBN: 978-90-04-75518-5, pp. 218-232.
‘Borders in Progress. The Early Transimperial Development of Tunisian Political Borders in the First Half of the 19th Century’, in Arda Akıncı-Giorgio Ennas-Fatma Aladağ-Stefan Rohdewald (eds.), From the Frontiers of the Empire to the Borders of the Nations. Borderland, Security and Safety in the (post-)Ottoman Spaces (1700-1939), V & R Unipress GmbH, 2026, ISBN: 978-3-8471-1825-1, pp. 41-63.
‘The Franco-Prussian War and the Ottoman Adoption of Realpolitik’, in Karine Varley (ed.), The Franco-Prussian War. Turning-Points in European Experiences and Perceptions of Military Conflict, Routledge, London-New York, June 2024, pp. 40-53.
‘Global Criminal Networks in the Eastern Mediterranean. Illicit connections between Constantinople, the Italian peninsula and New York (1855-1861)’, edited by Erik Blackthorne-O’Barr and Burhan Çağlar, Levantines of the Ottoman World: Communities, Identities, and Cultures, Ibn Haldun University Press, Adapazarı, 2024, pp. 65-93.
‘Negotiating Protection. The Inclusion of Ottoman-Swiss Relations in the Diplomatic Germansphere during the First World War’, edited by Elife Biçer-Deveci and Ulrich Brandenburg, The Ottoman Empire and the ‘Germansphere’ in the Age of Imperialism, Comparativ, 2022, pp. 349-363.
‘Confine sanitario o nazionale? L’influenza delle epidemie nell’emergere dei nazionalismi balcanici’, in Malattie e Società [Sanitary or national border? The influence of epidemics in the emergence of Balkan nationalisms], edited by Francesco Cutolo and Costanza Bonelli, Farestoria, Rivista dell’Istituto Storico della Resistenza e dell’età contemporanea, 2021, pp. 33-50.
‘“Non una di queste proposte fu messa in esecuzione.” Sarajevo e l’epidemia di colera del 1866’ [“Not one of these proposals was implemented”. Sarajevo and the cholera epidemic of 1866], in Il filo sottile tra stato di emergenza, limitazione delle libertà e consenso, edited by Idamaria Fusco and Gaetano Sabatini, RiMe, Rivista dell’Istituto di Storia dell’Europa Mediterranea, 2021, pp. 275-293.
‘Connecting the two seas. Italian and Ottoman diplomacies in the Suez-Red Sea area’, in Italy and the Suez Canal. A Mediterranean history, from the mid-Nineteenth century to the Cold War, edited by B. Curli, Palgrave Macmillan, 2022, pp. 247-260.
Peer-review journal publications
‘Rewriting History. To What Extent Did 19th-Century Ottomanism Impact 21st-Century Neo-Ottomanism?’, written with Angelo Francesco Carlucci (İstanbul Sabahattin Zaim Üniversitesi), in the monographic dossier entitled The Ottoman Afterlives in Turkey’s Projection of Influence on Africa and the Middle East: between nostalgia and amnesia, edited by Nicola Melis and Carlo Sanna, Afriche e Orienti. Rivista di studi ai confini tra Africa, Mediterraneo e Medio Oriente, (2), 2024, pp. 20-50, DOI: https://doi.org/10.23810/AEOXXVII202422.
‘Ottomans in Italy. Ottoman Communities and Diplomatic-Consular Networks in Southern Italy in the Nineteenth Century’, written with Consuelo Emilj Malara, Mediterranea – ricerche storiche – Anno XXII – April 2025, ISSN 1824-3010 (printed) ISSN 1828-230X (online), pp. 107-134 (https://www.storiamediterranea.it/portfolio/aprile-2025/?fbclid=IwZXh0bgNhZW0CMTEAAR6ozcc93meCpEpzuR7RQbWQm8jzE6UNlWc723yOp8S4Vu-L1rI2wYVianT6rA_aem_lwpfU5Ze6tJ7swjd5iXkyA).
‘Beyond Diplomacy: The Demarcation of Montenegrin-Ottoman Borders (1879-1881)’, in “Drawing the Line”: Border Commissions in Eastern Europe, edited by S. Rindlisbacher, L. Gatejel and N. Baron, Journal of Modern European History, 2024, pp. 25-39 (https://journals.sagepub.com/doi/full/10.1177/16118944231221024).
‘Borders and Contagion. Ottoman Administration of Bosnia between Border Reinforcement and Health Protection (1866-1867)’, Historical Searches / Historijska traganja, 22, 2023, pp. 91-122 (https://iis.unsa.ba/wp-content/uploads/Giorgio-Ennas_HT_2023_online.pdf).
‘Tra rivoluzione e diplomazia. Giacomo Durando e lo sviluppo della politica estera sardo-italiana nel Mediterraneo orientale, 1856-1862’ [Between Revolution and Diplomacy. Giacomo Durando and the Development of Sardinian-Italian Foreign Policy in the Eastern Mediterranean, 1856-1862], in Rassegna Storica del Risorgimento, Anno 110, Fascicolo 1/2023, Gennaio-Giugno 2023, pp. 56-81.
‘‘Dans l’intérêt de la Santé Publique de l’Empire’. The Ottoman Consuls during the Cholera Epidemic of 1867’, in Euras Journal of Social Sciences, Vol. 3, Istanbul, 2022, pp. 225-244 (https://ejoss.euras-edu.org/wp-content/uploads/2023/01/EJOSS-Ekim-2022.pdf).
‘The Birth of the Ottoman Colonial Space. The Libyan Case (1835-1918)’, Proposte e Ricerche n. 77. Economia e società nella storia dell’Italia centrale. Anno XXXIX – estate/autunno 2016, Macerata EUM, edizioni Università di Macerata, pp. 43-65.
Collections of unedited documents
Giorgio Ennas (ed.), ‘Reports of Cesare Durando Italian vice-consul in Sarajevo (1863-1867). Accaparrarne gli animi per il nostro interesse’, The Isis Press, Istanbul, 2020, ISBN: 978-975-428-639-7.
Chapters for monographs
Preface for the volume entitled The Italian Consulate in Saigon. The Making of Diplomatic Representation in Colonial Era (1856-1941), by Christopher Denis-Delacour, Nha Xuat Ban Tre, Ho Chi Minh City, 2024.
Conference proceedings
‘Italian physicians and Ottoman health. The contribution of Italian doctors to the Ottoman sanitary systems in the nineteenth century’, in Epidemics and transmissible disease. Scourges throughout History, Tunisian Mediterranean Review of Economic and Social Studies, pp. 71-90, 2026, ISBN: 978-9909-00-928-4.
‘Arte epidemica. Rappresentazioni italo-ottomane degli scenari epidemici e delle “misure sanitarie moderne” nel tardo Impero ottomano’ [Epidemic art. Italo-Ottoman representations of epidemic scenarios and ‘modern sanitary measures’ in the late Ottoman Empire], with Giulia Bei, In ottica della pandemia: risvolti linguistici e strategie didattiche, Edizioni della Facoltà di Scienze Umanistiche e Sociali dell’Università di Split / Editiones Facultatis Philosophicae Universitatis Spalatensis, 2026, pp. 175-196, ISBN: ISBN 978-953-352-141-1.
‘Dal Ticino a Costantinopoli. Viaggiatori e migranti ticinesi nella Costantinopoli del secolo “lungo”’ [From Ticino to Constantinople. Travelers and migrants from Ticino in the “long” century Constantinople], in Percorsi di ricerca, Serie II-7, Lampi di stampa, Milan, 2025, pp. 67-82 (https://www.labisalp.usi.ch/storage/app/media/Working%20Papers/wp-2025-II-7-Ennas.pdf).
Musa Toprak-Consuelo Emilj Malara-Giorgio Ennas (eds.), ‘Italo-Ottoman Conversations. A Shared Pathway’, CasaItalia, Ankara, 2023, ISBN: 978-605-74913-4-3.