Publications
- World bibliography of translations of the meanings of the Holy Quran: 1515-1980, Istanbul: IRCICA, 1986 (compiler, jointly with İsmet Binark).
- Batı Trakya Türkleri (Western Thrace Turks), Istanbul: Halit Eren, 1997.
- “The Muslim minority in Bulgaria: A status report”, Journal Institute of Muslim Minority Affairs, (London), vol. 5, nr. 1, 1983-1984, pp. 136-144.
- “Batı Trakya Türklerinin eğitim sorunları: ilgili kanun, andlaşma ve protokoller” (Educational problems of Western Thrace Turks: laws, agreements and protocols), Türk dünyası araştırmaları dergisi, (Istanbul), no. 2, 1979, pp. 114-137.
- “Reasons and purposes of translating the Glorious Quran: Intentions of the first Muslims’ translations”, The world symposium on the meanings and translations of the Glorious Quran, Malta: World Islamic Call Society, 1986, pp. 35-43.
- “Balkanlarda Türk ve diğer Müslüman toplumları ve göç olgusu” (Turkish and other Muslim communities in the Balkans and the migration phenomenon), Balkanlar, Istanbul: Ortadoğu ve Balkan İncelemeleri Vakfı, 1983, pp. 289-299.
- “Muslims of Western Thrace, Greece”, Proceedings of the sixth international conference of World Assembly of Muslim Youth: The Muslim minorities, Riyadh: World Assembly of Muslim Youth, 1986, pp. 731-742.
- “Al-Muslimun fi Traqya al-Gharbiyya-al-Yunan”, Al-Aqalliyat al-Muslima fi al-alam zurufiha al-muasıra, alamuha wa amaluha, Riyadh: Muslim Minorities in the World-World Assembly of Muslim Youth 1986, vol. 3, pp. 1077-1091.
- “Batı Trakya’daki Türkçe süreli neşriyat üzerine: 1923-1988” (Periodical publications in Western Thrace: 1923-1988), Batı Trakya'nın sesi, (Istanbul), no. 6, 1988, pp. 18-23.
- “Batı Trakya Türk yerleşim bölgeleri” (Turkish settlement areas of Western Thrace), Batı Trakya'nın sesi, (Istanbul), nos. 6-8, 1989.
- “Turkish community and waqf administrations of Western Thrace”, XIth Turkish historical congress, Ankara, 1994.
- Co-author, “Batı Trakya” (Western Thrace), İslam Ansiklopedisi, Istanbul: Türkiye Diyanet Vakfı, 1992, vol. 5, pp. 144-147.
- “Cumhuriyet döneminde göç ve iltica” (Migrations and refugees in the Republican period), Türklerde insani değerler ve insan hakları, Istanbul: Türk Kültürüne Hizmet Vakfı, 1993, vol. 3, pp. 357-381.
- “The organisations of the Western Thrace Turkish community”, Le Waqf dans le monde Musulman contemporain (XIXe-XXe Siècles), Istanbul: Institut Français d’Etudes Anatoliennes, 1994, pp. 215-229.
- “Osmanlı mirası bir medrese örneği: Gümülcine Medrese-i Hayriyyesi” (Medrese-i Hayriyye in Komotoni: a medrese as a specimen of Ottoman Heritage), Osmanlı dünyasında bilim ve eğitim milletlerarası kongresi (International congress on learning & education in the Ottoman world), Istanbul: IRCICA, 2001, pp. 57-62.
- Batı Trakya’nın sesi (The voice of Western Thrace, Istanbul), journal, founder and editor-in-chief, 1987-1994, General Coordinator, 1994-1997
- Editor, Rumeli kültürü, (Rumelian culture, Istanbul: Rumeli Türkleri Vakfı), journal, 2002-
Dr. Eren actively participated in the following congresses:
- The Sixth International Conference of World Assembly of Muslim Youth: The Muslim Minorities, Riyadh 12-17 January 1986: “Muslims of Western Thrace, Greece.”
- The Sixth International Conference of World Assembly of Muslim Youth: The Muslim Minorities, Riyadh 12-17 January 1986: “Muslims in Bulgaria.”
- Symposium on Translations of the Meanings of the Holy Quran, “The reason in translating the meaning of the Holy Quran and purposeful translations”, Istanbul: 21 March 1986.
- Congress on the Developments in Central Asia, London, 1987.
- Sixth Turcology Congress, 22 September 1988, Istanbul: “Periodical publications in Western Thrace: 1923-1988.”
- International Congress on Turkish History, Ankara, 1990: “Foundations in Western Thrace.”
- Congress on Muslim Minorities in Eastern Europe, Vienna, 1989, 1990 and 1991: Papers on the situation of Muslims in Bulgaria and Greece.
- Congress on Muslim Minorities in Eastern Europe, Romania, 1990.
- Congress on the Islamic Culture in Macedonia, Skopia, 1990.
- General congresses of Western Thrace Turks, Istanbul, 1995, 1996.
- International Symposium on Islamic Civilisation in Caucasia, Baku, 9-11 December 1998 (member of organizing committee and coordinator on behalf of IRCICA).
- International Congress on Learning & Education in the Ottoman World, Istanbul, 12-15 April 1999: “Medrese-i Hayriyye in Komotoni: a medrese as a specimen of Ottoman Heritage.”
- International Symposium on Islamic Civilisation in the Balkans, Sofia, 21-23 April 2000 (Member of Organizing Committee and Coordinator on behalf of IRCICA).
- International Symposium on Islamic Civilisation in Volga-Ural Region, Kazan, 8-11 June 2001 (Member of Organizing Committee and Coordinator on behalf of IRCICA).
- Second Congress on the Balkans: Balkans in the 21th Century, Istanbul, 11 May 2002 (Organizer and Chairman).
- Seminar on the Cooperation of the Turks and Albanians Thoroughout the History, Tirana, 27 September 2002 (Chairman of Organizing Committee).
- Congress on the Conquest of Istanbul and Rumeli in its 550th anniversary, Istanbul, 24 May 2003 (Chairman of Organizing Committee).
- Second International Symposium on Islamic Civilisation in the Balkans, Tirana, 4-7 December 2003 (Member of Organizing Committee and Coordinator on behalf of IRCICA).
- Third International Symposium on Turcology in the Balkans, Kotor, 8-12 September 2003 (Co-Chairman).
- Meeting for the Commemoration of Alija Izzetbegovic, Istanbul, 21 February 2004 (Chairman of Organizing Committee).
- Journées d’Etudes “Islam et Sociéte,” Paris 3 March 2005: “Religious Foundations (Waqfs) in Turkey and the Balkans: historical aspects and current issues.”
- International Islamic Economic and Cultural Conference, Lahore 25-26 April 2005: “Islamic architecture: economic, cultural and social aspects.”