# Iłża

> city of Poland

**Wikidata**: [Q1355984](https://www.wikidata.org/wiki/Q1355984)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Iłża)  
**Source**: https://4ort.xyz/entity/iza

## Summary  
Iłża is a city in south-central Poland with a history dating back to 1239, serving as the administrative center of the Iłża Gmina and a former capital of the Iłżecki Powiat. Located in the Masovian Voivodeship, it has a population of 4,478 as of 2021 and features a well-preserved medieval heritage.  

## Key Facts  
- **Founded**: 1239.  
- **Country**: Poland.  
- **Population (2021)**: 4,478 (male: 2,156; female: 2,322).  
- **Area**: 15.83 km².  
- **Coordinates**: 51.16313° N, 21.23979° E.  
- **Time Zones**: UTC+1 (CET) and UTC+2 (CEST).  
- **Website**: [http://www.ilza.pl/](http://www.ilza.pl/) (Polish).  
- **Identifiers**: VIAF: 155209429; GND: 4339454-1; GeoNames: 770792.  
- **Administrative Roles**: Capital of Iłża Gmina (1870–1924) and Iłżecki Powiat (1919–1949).  
- **Postal Code**: 27-100.  

## FAQs  
- **What is Iłża's historical significance?**  
  Founded in 1239, it has been a regional administrative center and is documented in historical encyclopedias like *Brockhaus and Efron*.  

- **How has its population changed?**  
  The population declined from 4,733 (2019 estimate) to 4,478 (2021 census), with a near-equal gender split.  

- **What time zone does Iłża observe?**  
  It uses Central European Time (UTC+1) and Central European Summer Time (UTC+2) during daylight saving.  

- **How is Iłża distinguished from Gmina Iłża?**  
  Iłża is the city within the larger Gmina Iłża (administrative district), serving as its seat.  

## Why It Matters  
Iłża is significant as a medieval-founded city with sustained administrative importance, reflected in its roles as a powiat capital and gmina center. Its inclusion in 19th- and early 20th-century encyclopedias underscores its historical relevance, while its population trends and geographic position highlight its role in regional development.  

## Notable For  
- Founded in the High Middle Ages (1239).  
- Former capital of two administrative divisions (Iłża Gmina and Iłżecki Powiat).  
- Documented in major historical encyclopedias (*Brockhaus and Efron*, *Jewish Encyclopedia*).  
- Unique identifiers across global databases (VIAF, GND, GeoNames).  
- Coat of arms symbolizing municipal heritage ([POL Iłża COA.svg](https://commons.wikimedia.org/wiki/Special:FilePath/POL_Iłża_COA.svg)).  

## Body  

### History  
Iłża was founded in **1239**, with its strategic location contributing to its role as a local administrative hub. It served as the capital of **Iłża Gmina** (1870–1924) and **Iłżecki Powiat** (1919–1949), reflecting its shifting political importance. The city is referenced in historical works such as the *Sytin Military Encyclopedia* and *Brockhaus and Efron Encyclopedic Dictionary*.  

### Geography & Location  
- **Coordinates**: 51.16313° N, 21.23979° E (alternate: 51.1667° N, 21.25° E).  
- **Area**: 15.83 km².  
- **Time Zones**: UTC+1 (standard) and UTC+2 (daylight saving).  
- **Continent**: Europe.  

### Demographics  
- **2021 Census**: 4,478 residents (2,156 male, 2,322 female).  
- **2019 Estimate**: 4,733 residents.  

### Administration  
- **Gmina**: Part of **Gmina Iłża** (TERC code: 1425034).  
- **Historical Roles**: Capital of **Iłża Gmina** (1870–1924) and **Iłżecki Powiat** (1919–1949).  
- **Postal Code**: 27-100.  

### Culture & Recognition  
- **Website**: [http://www.ilza.pl/](http://www.ilza.pl/) (Polish-language).  
- **Coat of Arms**: Featured on Wikimedia Commons ([POL Iłża COA.svg](https://commons.wikimedia.org/wiki/Special:FilePath/POL_Iłża_COA.svg)).  
- **Multilingual Coverage**: Wikipedia articles in 28 languages, including Polish, English, German, and French.  

### Technical Identifiers  
- **VIAF**: 155209429.  
- **GND**: 4339454-1.  
- **GeoNames**: 770792.  
- **OpenWeatherMap ID**: 770792.  
- **MusicBrainz Area ID**: f1624734-bfc5-48de-b667-02984c157511.  
- **Library of Congress Authority ID**: nr90017123.  

### Geographic & Municipal Codes  
- **GADM ID**: POL.7.28.2_1.  
- **SIMC Place ID**: 0973375.  
- **TERC Municipality Code**: 1425034.  
- **Historical Gazetteer (GOV) ID**: IAIAIAKO01OD.  

### Related Entities  
- **Different From**: **Gmina Iłża** (the broader administrative district).  
- **Connected Regions**: Masovian Voivodeship, Świętokrzyskie Mountains vicinity.  

### Documentation & Archives  
- **FactGrid Item ID**: Philip Ernest, Count of Hohenlohe-Langenburg (historical association).  
- **Yale Lux ID**: place/14f7b54b-4816-4c09-b722-5c1b0faa764a.  
- **Propylaeum Vitae ID**: 169630.  

### Media & Resources  
- **Image**: [20150519 6532 Iłża.jpg](https://commons.wikimedia.org/wiki/Special:FilePath/20150519_6532_Iłża.jpg).  
- **Commons Category**: [Iłża](https://commons.wikimedia.org/wiki/Category:Iłża).  

This entry synthesizes all verified data points, ensuring comprehensive coverage of Iłża's historical, administrative, demographic, and cultural dimensions.

## References

1. Virtual International Authority File
2. [Source](https://www.worlddata.info/europe/poland/timezones.php)
3. Freebase Data Dumps. 2013
4. MusicBrainz
5. [Source](https://bdl.stat.gov.pl/api/v1/data/localities/by-unit/071422725034-0973375?var-id=1639616&format=jsonapi)
6. [Source](https://bdl.stat.gov.pl/api/v1/data/localities/by-unit/071422725034-0973375?var-id=1639618&format=jsonapi)
7. [Source](https://bdl.stat.gov.pl/api/v1/data/localities/by-unit/071422725034-0973375?var-id=1639617&format=jsonapi)
8. GeoNames