# Bolu

> central district and city in Bolu Province, Turkey

**Wikidata**: [Q200951](https://www.wikidata.org/wiki/Q200951)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Bolu)  
**Source**: https://4ort.xyz/entity/bolu

## Summary
Bolu is a central district and city in Bolu Province, Turkey, serving as the provincial capital. It is a significant urban center with a population exceeding 184,000 as of 2021, known for its historical and administrative importance in the region.

## Key Facts
- **Location**: Bolu is located in Bolu Province, Turkey, with coordinates 40.7333°N, 31.6°E.
- **Population**: The city's population was 184,682 in 2021, as recorded by the Address-Based Population Registration System.
- **Area**: Bolu covers an area of 27 square kilometers.
- **Elevation**: The city sits at an elevation of 733 meters above sea level.
- **Timezone**: Bolu operates on UTC+03:00, aligned with Turkey's standard time since 2018.
- **Historical Names**: Known historically as Bithynium, Claudiópolis, and Hadriana.
- **Administrative Role**: Bolu is the capital of Bolu Province and functions as a municipality.
- **Transportation**: The city is connected to the European route E80.
- **Social Media Presence**: Active on platforms like Twitter (@bolu_belediyesi), Facebook (bolubelediyesi), and Instagram (bolubelediyesi).
- **Cultural Significance**: Bolu has been referenced in encyclopedias such as the *Brockhaus and Efron Encyclopedic Dictionary* and the *Encyclopædia Britannica 11th edition*.

## FAQs

**What is the population of Bolu?**
As of 2021, Bolu's population was 184,682, according to Turkey's Address-Based Population Registration System. The city has seen steady growth, with figures rising from 119,898 in 2010 to 179,223 in 2020.

**What are the historical names of Bolu?**
Bolu has been known by several names throughout history, including Bithynium, Vitínio, Bitínio, Claudiópolis, Adriana, and Hadriana.

**What is Bolu's role in Turkey?**
Bolu serves as the capital of Bolu Province and is a key administrative and urban center in the region. It is classified as a big city and municipality within Turkey.

**How can I find Bolu on social media?**
Bolu's municipality maintains active profiles on Twitter (@bolu_belediyesi), Facebook (bolubelediyesi), Instagram (bolubelediyesi), and YouTube (tcbolubelediyesi).

**What is the elevation and climate context of Bolu?**
Bolu is situated at an elevation of 733 meters above sea level, contributing to its continental climate, which features cold winters and mild summers.

## Why It Matters
Bolu plays a critical role as the administrative and cultural hub of Bolu Province, bridging Turkey's historical and modern development. Its strategic location along the European route E80 enhances its economic and logistical significance. The city's rich history, reflected in its multiple historical names and references in major encyclopedias, underscores its enduring importance in the region. Additionally, Bolu's growing population and urban infrastructure make it a key player in Turkey's provincial governance and urban planning.

## Notable For
- **Historical Legacy**: Bolu's long history, with names like Claudiópolis and Hadriana, ties it to ancient Bithynia.
- **Administrative Center**: As the capital of Bolu Province, it hosts key governmental and municipal functions.
- **Population Growth**: Rapid urbanization, with the population nearly doubling from 119,898 in 2010 to 184,682 in 2021.
- **Transportation Hub**: Connected to the European route E80, facilitating trade and travel.
- **Digital Presence**: Active engagement on multiple social media platforms, including Twitter, Facebook, and YouTube.

## Body

### Geography and Location
Bolu is located in northwestern Turkey, within Bolu Province, at coordinates 40.7333°N, 31.6°E. The city covers an area of 27 square kilometers and sits at an elevation of 733 meters above sea level. It is part of the Asian continent and serves as a gateway between Turkey's western and eastern regions.

### Demographics
Bolu's population has shown consistent growth over the past decade:
- **2010**: 119,898
- **2015**: 153,783
- **2018**: 171,180
- **2020**: 179,223
- **2021**: 184,682 (preferred figure)

The city's urban population has expanded significantly, from 21,700 in 1965 to 179,223 in 2020, reflecting its urbanization trends.

### Historical Context
Bolu has a rich historical background, with records dating back to ancient times. It was known as **Bithynium** in antiquity and later as **Claudiópolis** during the Roman era. The city was also referred to as **Hadriana** and **Adriana** in historical texts. Bolu's strategic location made it a significant settlement in the Bithynia region.

### Administrative and Political Role
Bolu is the capital of **Bolu Province** and functions as both a **district of Turkey** and a **municipality**. The city is governed by a mayor, with the municipal website ([bolu.bel.tr](https://www.bolu.bel.tr/)) serving as the primary digital platform for civic engagement.

### Infrastructure and Transportation
Bolu is connected to the **European route E80**, a major international road linking Portugal to Turkey. This connectivity enhances its role as a transportation hub, facilitating both domestic and international travel.

### Digital and Social Media Presence
The Bolu Municipality maintains an active presence on multiple social media platforms:
- **Twitter**: @bolu_belediyesi (since 2011)
- **Facebook**: bolubelediyesi
- **Instagram**: bolubelediyesi
- **YouTube**: tcbolubelediyesi (channel ID: UCpxndkh4Hge8aJU6L-5OwdA)

As of 2023, the municipality's Twitter account had over 30,000 followers, reflecting its engagement with the local community.

### Cultural and Academic References
Bolu has been documented in several notable encyclopedias and references:
- **Brockhaus and Efron Encyclopedic Dictionary**
- **Encyclopædia Britannica 11th edition** (1911)
- **Treccani's Enciclopedia Italiana** (1930)

These references highlight Bolu's historical and cultural significance in both Turkish and global contexts.

### Economic and Urban Development
Bolu's economy is influenced by its administrative role, transportation links, and growing urban population. The city's infrastructure supports both residential and commercial activities, contributing to its status as a regional center.

### Notable Events
Bolu is associated with the **Siege of Claudiopolis**, a historical event that underscores its strategic importance in past conflicts.

### International Identifiers
Bolu is recognized in various global databases and classification systems:
- **UN/LOCODE**: TRBOL
- **GeoNames ID**: 750516
- **Wikidata ID**: Q173789
- **Library of Congress Authority ID**: n88192606
- **Bibliothèque nationale de France ID**: 13188605q

These identifiers facilitate Bolu's representation in international datasets and research.

### Environmental and Geographical Features
The city's elevation and location contribute to its continental climate, characterized by cold winters and warm summers. Bolu's natural surroundings include forests and mountainous terrain, adding to its scenic and ecological value.

### Future Prospects
Bolu's continued population growth and infrastructure development position it as a key urban center in Turkey. Its administrative role, historical legacy, and strategic location ensure its ongoing relevance in regional and national contexts.

## References

1. [Source](https://statoids.com/ytr.html)
2. Virtual International Authority File
3. BnF authorities
4. [Source](https://www.lexpera.com.tr/resmi-gazete/metin/gun-isigindan-daha-fazla-yararlanmak-amaciyla-butun-yurtta-uygulanan-ileri-saat-uygulamasinin-devam-3)
5. Freebase Data Dumps. 2013
6. Czech National Authority Database
7. Flickr Shapefiles Public Dataset 2.0
8. GeoNames
9. BBC Things
10. [Source](https://service.unece.org/trade/locode/tr.htm)
11. [Source](https://www.kgm.gov.tr/sayfalar/kgm/sitetr/projeler/uluslararasiprojeler/tem.aspx)
12. YouTube API
13. [archINFORM](https://www.archinform.net/service/wd_aiort.php)
14. [iNaturalist](https://www.inaturalist.org/places/inaturalist-places.csv.zip)
15. National Library of Israel Names and Subjects Authority File
16. museum-digital