DefenceEstablishment

DefenceEstablishment is a direct GovernmentBuilding subtype for military installations: bases, forts, defence ministries, armouries, training grounds. It has no unique properties; the value is in the classification and in being deliberate about publicAccess, which is almost always false and should be published explicitly.

Useful inherited patterns:

publicAccess: false for secure installations; true only for public-facing visitor centres or museums.
parentOrganization: the defence ministry or branch of service.
contactPoint: public-affairs office for media inquiries (avoid listing operational numbers).
event: public events (open houses, memorial ceremonies, military tattoos) as Event entries.

Full example of schema.org/DefenceEstablishment json-ld markup

The markup is verified as valid with Rich Results Test from Google.

Highlight legend:Required by GoogleRecommendedOptional

schema.org/DefenceEstablishment

<script type="application/ld+json">
{
  "@context": "https://schema.org",
  "@type": "DefenceEstablishment",
  "@id": "https://fortdunmora.example",
  "name": "Fort Dunmora",
  "url": "https://fortdunmora.example",
  "description": "Home of the Royal Dunmora Infantry School and the Fort Dunmora Military Museum. Training post with a public visitor centre.",
  "telephone": "+1-570-555-0600",
  "address": {
    "@type": "PostalAddress",
    "streetAddress": "Highway 9",
    "addressLocality": "Upper Dunmora",
    "addressCountry": "DM"
  },
  "publicAccess": false,
  "amenityFeature": [
    { "@type": "LocationFeatureSpecification", "name": "Public access restricted to Visitor Centre and Museum", "value": true },
    { "@type": "LocationFeatureSpecification", "name": "Photo ID required at Visitor Centre gate", "value": true }
  ],
  "parentOrganization": { "@type": "GovernmentOrganization", "name": "Royal Dunmora Ministry of Defence" },
  "subOrganization": [
    { "@type": "Museum", "name": "Fort Dunmora Military Museum", "url": "https://fortdunmora.example/museum", "publicAccess": true }
  ]
}
</script>

Operational-security note

Do not publish structured data that reveals layouts, unit designations at non-public depth, or operational schedules. Structured data is as public as your website; apply the same review you would to a press release.

Minimal valid version

The smallest markup that still produces a valid DefenceEstablishment entity. Use it as the floor. Reach for the advanced example above when you want search engines and AI agents to understand more about your content.

schema.org/DefenceEstablishment (minimal)

<script type="application/ld+json">
{
  "@context": "https://schema.org",
  "@type": "DefenceEstablishment",
  "name": "Fort Dunmora",
  "address": { "@type": "PostalAddress", "streetAddress": "Highway 9", "addressLocality": "Upper Dunmora", "addressCountry": "DM" },
  "publicAccess": false
}
</script>

Google rich results this unlocks

Markup matching this example makes your page eligible for the following Google Search rich results. The primary target drives the required / recommended property classification in the advanced code block above.

Local business / civic structure knowledge panel (for public-facing components)
Google docs

Common DefenceEstablishment mistakes

Mistakes that pass validation but silently fail to earn rich results or mislead consumers walking the graph. Avoid these and your markup will be ahead of most sites in the wild.

01
publicAccess true on the whole installation
Wrong
```
publicAccess: true on a fort with a museum-only public area
```
Right
```
publicAccess: false on the installation; publicAccess: true on the subOrganization museum / visitor centre
```
Route-planners and map apps direct visitors to the wrong gate if the installation is flagged publicly accessible in full.
02
Publishing operational schedules
Wrong
```
Structured Event entries naming exercises, rotations, or unit movements
```
Right
```
Only public ceremonies, memorials, and open-house events
```
Operational security: structured data is as indexable as anything else on your site.

Schema properties in this example

DefenceEstablishment GovernmentBuilding CivicStructure Place name url description telephone address PostalAddress publicAccess amenityFeature LocationFeatureSpecification parentOrganization GovernmentOrganization subOrganization Museum

Also mentioned in 1 other example

DefenceEstablishment also appears in GovernmentBuilding. See the full DefenceEstablishment schema page for every reference.

About the example data

Fort Dunmora, a fictional small-army training post north of the Kingdom of Dunmora's capital with a public memorial and museum.

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