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Monmouth Castle

11th-century castle in Monmouth, Wales
Tourist Attraction Castle Q525635

Facts

25 properties
Instance of
castle
Inception
1060[15]
Founder
William FitzOsbern, 1st Earl of Hereford[6]
Owned by
Cadw[8]
Country
United Kingdom[3]
Official website
cadw.gov.wales, cadw.llyw.cymru[16][17]
Location
Monmouth[10]
Part of
Norman Invasion of Wales[12]
Coordinate location
🗺️ 51.812°, -2.717°, 🗺️ 51.812°, -2.717°
Short name
Monmouth[22]
Archives at
Monmouth Castle and Regimental Museum Archives[13]
Commissioned by
William FitzOsbern, 1st Earl of Hereford[5]
Described by source
CastlesFortsBattles[18]
Elevation above sea level
+30[23]
Geoshape
🗺️ View shape: Monmouth Castle
Has part(s)
Monmouth Castle and Regimental Museum Archives[14]
Heritage designation
Grade I listed building, scheduled monument, National Monument of Wales[19][20][21]
Historic county
Monmouthshire[26]
Located in or next to body of water
River Wye[4]
Located in the administrative territorial entity
Monmouth[2]
Maintained by
Cadw[7]
Operator
Cadw[9]
Postal code
NP25 3BS[11]
State of conservation
ruinous[24]
Show all 25 facts +1
Street address
Castle Hill, Monmouth NP25 3BS[25]
🏷️ Also known as
en Castell Trefynwy en Monmouth Castle es Castillo de Monmouth fr château de Monmouth he טירת מונמות' hi मॉनमाउथ किला hu Monmouthi vár id Kastil Monmouth ja モンマス城 pt Castelo de Monmouth ru Замок Монмут tr Monmouth Kalesi uk Монмут zh 蒙茅斯城堡
🔖 Identifiers · 14
Image (Wikimedia Commons)
Monmouth Castle.jpg ↗
British Listed Buildings ID
300002216
Cadw Building ID
2216
Cadw Monument ID
MM159
Coflein ID
93473
Freebase ID
/m/03gsm3l
Gatehouse Gazetteer place ID
Welshsites/580
GeoNames ID
6287111
Google Maps Customer ID
2797007889405462348
Kulturenvanteri monument ID
368905
National Library of Wales Authority ID
monmouth-castle-monmouth-wales
OpenStreetMap way ID
167782318
Show all 14 identifiers +2
SNARC ID
Pisces Overdensity
Tripadvisor ID
4308548
📚 Sources · 1
  • GeoNames as of 2026-09-26 · 1 statement · CC BY 4.0 CC BY 4.0 — attribution: GeoNames (www.geonames.org), licensed under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Values as shipped.

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⛏️ Lake Facts · open-dataset statements via 4ort-mint

From open datasets, joined by identifier and shown only for properties Wikidata does not state on this entity — except where the dataset is the registry authority for the fact (ClinicalTrials.gov on trial registration data): there its value is shown instead, with Wikidata's noted beside it. Every row carries its dataset edition and licence.

Located in time zoneP421
Europe/London 2026-09-26 S/CSTL · GB GeoNames (CC BY 4.0) as of 2026-09-26
where from?
Source
GeoNames
Edition
20260926 · as of 2026-09-26
Licence
CC BY 4.0
Credit
CC BY 4.0 — attribution: GeoNames (www.geonames.org), licensed under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Values as shipped.
Bronze
1da92a6323a5fec3… admin1CodesASCII.txt +9 files
Transform
4ort-mint · lake · version not recorded
CC BY 4.0 — attribution: GeoNames (www.geonames.org), licensed under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Values as shipped.
🔗 Connections
People born here 2
Henry V of England, Henry Somerset, 2nd Duke of Beaufort
Commissioned by 1
William FitzOsbern, 1st Earl of Hereford
Country 1
United Kingdom
Described by source 1
CastlesFortsBattles
Founder 1
William FitzOsbern, 1st Earl of Hereford
Heritage designation 1
scheduled monument
Historic county 1
Monmouthshire
Instance of 1
castle
Located in or next to body of water 1
River Wye
Location 1
Monmouth
Maintained by 1
Cadw
Operator 1
Cadw
Owned by 1
Cadw
SNARC ID 1
Pisces Overdensity
Press Enter · cited answer in seconds

Summary

Monmouth Castle is a castle[1].

Related Entities

CastlesFortsBattles Henry V of England Monmouth River Wye United Kingdom

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [3] ↑ . cadwpublic-api.azurewebsites.net. cadwpublic-api.azurewebsites.net. Provenance: wikidata.org.
  2. [5] ↑ . wikidata.org.
  3. [6] ↑ . wikidata.org.
  4. [7] ↑ . wikidata.org.
  5. [8] ↑ . wikidata.org.
  6. [2] ↑ . gatehouse-gazetteer.info. Retrieved . gatehouse-gazetteer.info. Provenance: wikidata.org.
  7. [9] ↑ . wikidata.org.
  8. [4] ↑ . wikidata.org.
  9. [10] ↑ . wikidata.org.
  10. [11] ↑ . wikidata.org.
  11. [12] ↑ . wikidata.org.
  12. [13] ↑ . wikidata.org.
  13. [14] ↑ . wikidata.org.
  14. [15] ↑ . wikidata.org.
  15. [16] ↑ . wikidata.org.
  16. [17] ↑ . wikidata.org.
  17. [18] ↑ . wikidata.org.
  18. [19] ↑ . wikidata.org.
  19. [20] ↑ . cadwpublic-api.azurewebsites.net. cadwpublic-api.azurewebsites.net. Provenance: wikidata.org.
  20. [21] ↑ . wikidata.org.
  21. [22] ↑ . wikidata.org.
  22. [23] ↑ . wikidata.org.
  23. [24] ↑ . wikidata.org.
  24. [25] ↑ . wikidata.org.
  25. [26] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). Monmouth Castle. Retrieved November 9, 2026, from https://4ort.xyz/entity/monmouth-castle
MLA “Monmouth Castle.” 4ort.xyz Knowledge Graph, 4ort.xyz, 9 Nov. 2026, https://4ort.xyz/entity/monmouth-castle.
BibTeX @misc{4ortxyz_monmouth-castle_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Monmouth Castle}}, year = {2026}, url = {https://4ort.xyz/entity/monmouth-castle}, note = {Accessed: 2026-11-09}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Monmouth Castle — https://4ort.xyz/entity/monmouth-castle (retrieved 2026-11-09)

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Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 19w ago · Vicarage · 2026-06-30 view diff on Wikidata ↗
    Country → United Kingdom
    Located in or next to body of water → River Wye
    Part of → Norman Invasion of Wales
    Short name → Monmouth
    + 19 other properties edited (see Wikidata diff for full list)
    "Changed the item: QuickStatements 3.0 batch #39175"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.