# Osijek

> city and settlement in Osijek-Baranja County, Croatia

**Wikidata**: [Q1640](https://www.wikidata.org/wiki/Q1640)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Osijek)  
**Source**: https://4ort.xyz/entity/osijek

## Summary
Osijek is a city and the administrative center of Osijek-Baranja County in Croatia, serving as the country's fourth-largest city. Located at the confluence of the Drava and Danube rivers, it has been a strategic and cultural hub for centuries, known for its well-preserved fortress and historical significance in regional conflicts. As of 2021, its population is 96,313, with a rich history of governance under entities like Austria-Hungary and Yugoslavia.

## Key Facts
- **Population**: 84,104 (2011 census); 96,313 (2021 census, preferred).  
- **Area**: 174.9 km² (city); 59.1 km² (settlement in Croatia).  
- **Coordinates**: 45°33′37″N, 18°40′13″E.  
- **Elevation**: 95 meters above sea level.  
- **Country History**: Part of Croatia (since 1991), Yugoslavia (1945–1991), and Austria-Hungary (1867–1918).  
- **Twin Towns**: Pécs (1973), Maribor (1995), Pforzheim (2008), and others.  
- **Website**: [https://www.osijek.hr](https://www.osijek.hr).  
- **Postal Code**: 31000.  
- **License Plate Code**: OS.  
- **Local Dialing Code**: 031.  
- **UN/LOCODE**: HROSI.  
- **Time Zone**: UTC+01:00.  
- **Elevation Source**: Topographic-map.com.  

## FAQs
- **What is Osijek's historical significance?**  
  Osijek has endured multiple sieges, including the 1526 Siege of Eszczyk and the 1991–1992 Siege of Osijek during the Croatian War of Independence. Its earliest written record dates to 331 AD.  

- **Where is Osijek located?**  
  It is situated in eastern Croatia, bordering the Drava and Danube rivers, and shares municipal borders with towns like Trpinja, Erdut, and Čepin.  

- **What are Osijek's key administrative roles?**  
  It is the capital of Osijek-Baranja County (since 1992) and was previously part of the Zajednica općina Osijek (1974–1990) and Virovitica County (until 1920).  

- **What are Osijek's cultural and economic contributions?**  
  The city hosts institutions like the Croatian National Theatre and the University of Osijek, and serves as a regional economic hub for industries like food processing and IT.  

## Why It Matters
Osijek is a critical cultural, educational, and economic center in eastern Croatia, blending historical heritage with modern development. Its strategic location at the Drava-Danube confluence has shaped its role in trade and defense for millennia, while its resilience through wars and regime changes underscores its enduring significance. As a university city and county seat, it drives regional innovation and governance, maintaining strong international ties through twin towns like Pécs and Maribor.

## Notable For
- **Historical Fortifications**: Home to the 18th-century Osijek Fortress, a well-preserved military structure.  
- **Multilingual Heritage**: Known by historical names like *Essek* (German) and *Esseg* (Hungarian).  
- **Educational Hub**: Hosts the University of Osijek, founded in 1975.  
- **Cultural Institutions**: Features the Croatian National Theatre and the Museum of Slavonia.  
- **Wine Production**: Situated near the slopes of the Papuk Mountain, part of the Slavonian wine region.  

## Body

### History
Osijek’s earliest written records date to 331 AD. It experienced significant turmoil during the Ottoman-Habsburg wars, notably the 1526 Siege of Eszczyk. The city’s modern layout emerged after the 1750s under Habsburg rule, which fortified it against Ottoman advances. In the 20th century, it transitioned from Yugoslav to Croatian governance, enduring damage during the 1991–1995 war.

### Geography
- **Location**: Eastern Croatia, at the Drava-Danube confluence.  
- **Borders**: Adjacent to municipalities like Trpinja, Erdut, and Čepin.  
- **Elevation**: 95 meters, with a continental climate characterized by warm summers and cold winters.  

### Demographics
- **Population Growth**: Increased from 84,104 (2011) to 96,313 (2021).  
- **Ethnic Composition**: Predominantly Croatian, with minority communities including Hungarians and Serbs.  

### Administration
- **Capital Status**: Serves as the administrative center of Osijek-Baranja County since 1992.  
- **Historical Governance**: Part of Yugoslavia (1945–1991) and Austria-Hungary (1867–1918).  

### Culture & Economy
- **Landmarks**: Osijek Fortress, Cathedral of St. Peter and Paul, and the Art Nouveau City Hall.  
- **Economy**: Driven by agriculture (cereals, wine), manufacturing, and a growing IT sector.  
- **Education**: University of Osijek (12 faculties) and the Academy of Arts.  

### International Relations
- **Twin Towns**: Partnerships with Pécs (Hungary, 1973), Maribor (Slovenia, 1995), and Pforzheim (Germany, 2008).  
- **Cultural Exchange**: Collaborations in education, arts, and tourism with cities like Lausanne (Switzerland).  

### Infrastructure
- **Transport**: Rail and road links to Zagreb, Belgrade, and Budapest; international airport (OSI).  
- **Utilities**: Municipal services managed through [https://www.osijek.hr](https://www.osijek.hr).  

### Recognition
- **Identifiers**: VIAF ID 140719687, GeoNames ID 3193934, and GND ID 4115300-5.  
- **Digital Presence**: Featured in encyclopedias like *Brockhaus and Efron* and *Gran Enciclopèdia Catalana*.  

### Challenges
- **Post-War Recovery**: Ongoing revitalization efforts following 1990s conflict damage.  
- **Environmental Focus**: Initiatives to protect the Drava-Danube wetlands and promote sustainable tourism.

## References

1. Register of spatial units of the State Geodetic Administration of the Republic of Croatia
2. [Source](http://www.osijek.hr/index.php/cro/Medunarodna-suradnja/Gradovi-prijatelji)
3. [Source](https://pecs.hu/testvervarosok-partnervarosok/)
4. [Source](https://maribor.si/mestna-obcina/zupan/kabinet-zupana/mednarodno-in-medmestno-sodelovanje/prijateljska-in-partnerska-mesta/)
5. [Source](http://www.subotica.rs/index/page/id/3610/lg/sr/)
6. List of Croatian settlements and delivery post offices. 2022
7. Freebase Data Dumps. 2013
8. MusicBrainz
9. [Source](https://www.dzs.hr/Hrv/censuses/census2011/results/htm/H01_01_01/h01_01_01_zup14_3123.html)
10. 2021 Croatian census: population data by age, sex, settlement
11. Q115016773. 2020
12. [Source](https://vici.org/vici/2018)
13. GeoNames
14. BBC Things
15. [Source](https://service.unece.org/trade/locode/hr.htm)
16. [Source](https://it-ch.topographic-map.com/map-36kq9m/Osijek/?zoom=19&center=45.55963%2C18.69603&popup=45.55976%2C18.69611)
17. Aligned ISNI and Ringgold identifiers for institutions
18. [archINFORM](https://www.archinform.net/service/wd_aiort.php)