Unification Day of Istria, Rijeka, Zadar, and the Islands in Croatia

In 2026, Unification Day of Istria, Rijeka, Zadar, and the Islands falls on Friday, 25 September 2026.

Historic coastal town with a prominent church tower at dusk
Photo by Jonas Neugebauer on UnsplashUpdated 18 Sep 2026

About Unification Day of Istria, Rijeka, Zadar, and the Islands

Unification Day commemorates the 1947 incorporation of Istria, Rijeka, Zadar, and various Adriatic islands into Croatia. It marks a significant moment in the nation's history, recognizing the return of these territories following international treaties after World War II. This day is observed as a regional memorial, reflecting on the historical unity and cultural heritage of these coastal areas.

Unification Day of Istria, Rijeka, Zadar, and the Islands dates in Croatia

Observance dates for Unification Day of Istria, Rijeka, Zadar, and the Islands across a 10-year window (2023-2031).

25 Sep 2023

Monday · Unification Day of Istria, Rijeka, Zadar, and the Islands

2023

25 Sep 2024

Wednesday · Unification Day of Istria, Rijeka, Zadar, and the Islands

2024

25 Sep 2025

Thursday · Unification Day of Istria, Rijeka, Zadar, and the Islands

2025

25 Sep 2026

Friday · Unification Day of Istria, Rijeka, Zadar, and the Islands

2026

25 Sep 2027

Saturday · Unification Day of Istria, Rijeka, Zadar, and the Islands

2027

25 Sep 2028

Monday · Unification Day of Istria, Rijeka, Zadar, and the Islands

2028

25 Sep 2029

Tuesday · Unification Day of Istria, Rijeka, Zadar, and the Islands

2029

25 Sep 2030

Wednesday · Unification Day of Istria, Rijeka, Zadar, and the Islands

2030

25 Sep 2031

Thursday · Unification Day of Istria, Rijeka, Zadar, and the Islands

2031

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