Hydra

one of the Saronic Islands of Greece
Landform island Q208319
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Hydra

Summary

Hydra is an island[1]. Hydra ranks in the top 2% of island entities by monthly Wikipedia readership (554 views/month).[2]

Key Facts

  • Hydra is located in Hydra municipality[3].
  • Hydra is in the country of Greece[4].
  • Hydra is on the body of water Saronic Gulf[5].
  • Hydra's image is recorded as Hydra town 01.jpg[6].
  • Hydra's instance of is recorded as island[7].
  • Hydra's instance of is recorded as car-free place[8].
  • Hydra's VIAF cluster ID is recorded as 315127155[9].
  • Hydra's GND ID is recorded as 4240022-3[10].
  • Hydra's locator map image is recorded as GR Hydra.PNG[11].
  • Hydra's postal code is recorded as 180 40[12].
  • Hydra's Commons category is recorded as Hydra (island)[13].
  • Hydra's OpenStreetMap relation ID is recorded as 543466[14].
  • Hydra's located in time zone is recorded as UTC+02:00[15].
  • Hydra's located in time zone is recorded as UTC+03:00[16].
  • Hydra's coordinate location is recorded as {'lat': 37.335, 'lon': 23.4725}[17].
  • Hydra's Freebase ID is recorded as /m/0jb_5[18].
  • Hydra's NL CR AUT ID is recorded as xx0120119[19].
  • Hydra's located in/on physical feature is recorded as Aegean Sea[20].
  • Hydra's official website is recorded as http://www.hydra.gr[21].
  • Hydra's Commons gallery is recorded as Ύδρα[22].
  • Hydra's page banner is recorded as Hydra Banner.jpg[23].
  • Hydra's MusicBrainz area ID is recorded as 53f1c603-997c-4438-b2e4-1545f6e3ee7f[24].
  • Hydra's Curlie ID is recorded as Regional/Europe/Greece/Prefectures/Attica/Hydra/[25].
  • Hydra's population is recorded as {'amount': '+1966'}[26].
  • Hydra's Gran Enciclopèdia Catalana ID is recorded as 0033283[27].

Body

Works and Contributions

Things named for Hydra include Greek ironclad Hydra[28], an ironclad warship[29].

Why It Matters

Hydra ranks in the top 2% of island entities by monthly Wikipedia readership (554 views/month).[2] Hydra has Wikipedia articles in 25 language editions, a strong signal of global cultural recognition.[30] Hydra is known by 12 alternative names across languages and contexts.[31]

Entities named for Hydra include Greek ironclad Hydra[28], an ironclad warship[29].

References

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

Direct Wikidata claims

  1. [4] . wikidata.org.
  2. [6] . wikidata.org.
  3. [7] . wikidata.org.
  4. [8] . wikidata.org.
  5. [3] . wikidata.org.
  6. [5] . wikidata.org.
  7. [9] . wikidata.org.
  8. [10] . wikidata.org.
  9. [11] . wikidata.org.
  10. [12] . wikidata.org.
  11. [13] . wikidata.org.
  12. [14] . wikidata.org.
  13. [15] . wikidata.org.
  14. [16] . wikidata.org.
  15. [17] . wikidata.org.
  16. [18] . Freebase Data Dumps. wikidata.org.
  17. [19] . Czech National Authority Database. Retrieved . wikidata.org.
  18. [20] . wikidata.org.
  19. [21] . wikidata.org.
  20. [22] . wikidata.org.
  21. [23] . wikidata.org.
  22. [24] . Q14005. Retrieved . wikidata.org.
  23. [25] . wikidata.org.
  24. [26] . wikidata.org.
  25. [27] . wikidata.org.

Inverse relationships (entities pointing at this one)

  1. [28] . wikidata.org. → on this site

Inline context (facts about related entities)

  1. [29] . Wikidata. wikidata.org. → on this site

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [30] . Wikidata sitelinks. wikidata.org.
  3. [31] . Wikidata aliases. 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). Hydra. Retrieved May 3, 2026, from https://4ort.xyz/entity/hydra-q208319
MLA “Hydra.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/hydra-q208319.
BibTeX @misc{4ortxyz_hydra-q208319_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Hydra}}, year = {2026}, url = {https://4ort.xyz/entity/hydra-q208319}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Hydra — https://4ort.xyz/entity/hydra-q208319 (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/hydra-q208319 · Last refreshed:

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. 29d ago · Ikan · 2026-05-04 view diff on Wikidata ↗
    Described by source Brockhaus and Efron Encyclopedic Dictionary, Russian translation of Lübker's Antiquity Lexicon, Small Brockhaus and Efron Encyclopedic Dictionary +2
    Website
    Coordinate location {'lat': 37.335, 'lon': 23.4725}
    Located in/on physical feature Aegean Sea
    + 18 other properties edited (see Wikidata diff for full list)
    "/* wbcreateclaim-create:1| */ [[Property:P4839]]: Entity["Island", "Hydra"], [[:toollabs:quickstatements/#/batch/257262|batch #257262]]"
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