What's On in Sofia

21 events across Sofia between 9 Sept 2026 and 27 Sept 2026. The calendar leans towards Art & Culture, Festivals and Theatre & Cinema. Every one of the 21 has free entry. Curated listings are drawn from official city and venue agendas and were last re-checked on 6 Sept 2026.

Free around town

Free events we found in Sofia from official city and venue listings. Tap an event for details. Booking happens on the organiser's own site.

Sourced

Wed 2 Sept – Mon 14 SeptFree

ZANAYAT - Japanese paper-cutting (kirie) exhibition

OKI Cultural Centre Krasno Selo, Hall 3, 41 Tsar Boris III Blvd, Sofia, Sofia

via Visit Sofia (Sofia Municipality) · Checked 2 Sept 2026

Sourced

Fri 4 Sept – Mon 14 SeptFree

Exhibition "Craft" - Japanese kiri-e paper-cutting art

OKI Dom na kulturata "Krasno selo", Hall 3, Sofia, Sofia

via Visit Sofia (Sofia Municipality) · Checked 4 Sept 2026

Sourced

Fri 4 Sept – Sat 12 SeptFree

Cinema Under the Stars Sofia (Kino pod zvezdite)

Rotating Sofia parks and school grounds, incl. Vazrazhdane, Ovcha kupel, Geo Milev, Damyan Damyanov and Gerena parks, Sofia

via Visit Sofia (Sofia Municipality) · Checked 4 Sept 2026

Sourced

Sun 6 Sept – Sun 13 SeptFree

Aleya na knigata (Book Alley) 2026

Vitosha Boulevard pedestrian zone and the NDK park, Sofia, Sofia

via Vsichko Hubavo (Bulgarian events guide) · Checked 12 Aug 2026

Sourced

Sat 12 Sept, 10:00Free

Green Libraries in Sofia's Parks: Lyulin Park (season finale)

Lyulin Park, Sofia, Sofia

via Visit Sofia (Sofia Municipality events calendar) · Checked 21 Aug 2026

Sourced

Sat 12 Sept, 16:00Free

TRAP Fest 2026 Vol.10

Lyatna Stsena Borisova Gradina (Summer Stage, Borisova Garden), bul. Dragan Tsankov 3, 1124 Sofia, Sofia

via Huddle Sofia (organiser: NCh Trotoara 2020) · Checked 18 Aug 2026

Sourced

Sat 12 Sept, 16:00Free

TRAP Fest 2026 Open Air, Season Finale

Summer Stage, Borisova Gradina, Sofia, Sofia

via Sofia Municipality portal · Checked 13 Aug 2026

Sourced

Wed 16 Sept, 19:00Free

Празничен концерт на Симфониета "София" (Sofia Sinfonietta festive concert)

Central Military Club (Централен военен клуб), Tsar Osvoboditel Blvd, Sofia, Sofia

Registration needed

via Sofia Municipality (Столична община) · Checked 5 Sept 2026

Sourced

Thu 17 Sept, 10:00Free

Sofia City Art Gallery free-entry day for Sofia Day

Sofia City Art Gallery (Софийска градска художествена галерия) and its branches, 1 Gurko St, Sofia, Sofia

via Sofia Municipality (Столична община) · Checked 5 Sept 2026

Sourced

Thu 17 Sept, 10:00Free

Regional History Museum Sofia free-entry day

Regional History Museum - Sofia, Banski Square (former Central Mineral Baths), plus all branches, Sofia

via Sofia Municipality (Столична община) · Checked 5 Sept 2026

Sourced

Thu 17 Sept, 17:00Free

Празничен концерт "Честит празник, София!" (Happy Holiday, Sofia! festive concert)

Zaimov Park (парк "Заимов"), Oborishte district, Sofia, Sofia

via Sofia Municipality (Столична община) · Checked 5 Sept 2026

Sourced

Thu 17 Sept, 18:30Free

Празничен концерт на Софийския духов оркестър (Sofia Brass Band festive concert)

Druzhba Park (парк "Дружба"), Iskar district, Sofia, Sofia

via Sofia Municipality (Столична община) · Checked 5 Sept 2026

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