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All International Conference

International Conferences in Bulgaria 2026–2027

166 upcoming conferences in Bulgaria are listed through July 2027. Most are in engineering and technology, medical and health science and physical and life sciences, and the cities with the most events are Plovdiv, Varna and Sofia.

Next conference
21 Nov
Next CFP deadline
15 Nov
Upcoming
166 conferences
Open calls for papers
126
Open calls for papers only

Showing 25 of 166 upcoming conferences, soonest first.

December 2026

Conferences in Bulgaria in December 2026

January 2027

Conferences in Bulgaria in January 2027

Page 4 of 7

Bulgaria conference calendar by month

Questions about conferences in Bulgaria

What international conferences are happening in Bulgaria?

166 conferences are listed through July 2027. The next one starts on 21 November 2026. Use the filters above to narrow by topic, city or month.

Which cities in Bulgaria host the most conferences?

The cities with the most listings are Plovdiv, Varna and Sofia.

How can researchers find conferences with an open call for papers in Bulgaria?

Use "Open calls for papers only" in the filters. Each listing shows its submission deadline, and the organizer's website has the full call.

Are the listed conferences free to attend?

Finding conferences here is free. Registration fees and eligibility are set by each organizer, so check the official website before you register.