# about - Schema.org Property

> Source: https://schema.org/about
> Extracted: 2026-02-16T15:05:30.448Z

---

**Note**: You are viewing the development version of [Schema.org](https://schema.org/). See [how we work](https://schema.org/docs/howwework.html) for more details.

The subject matter of an object.

Inverse-property: [subjectOf](https://schema.org/subjectOf "subjectOf")

  

### Values expected to be one of these types

`-   [Thing](https://schema.org/Thing "Thing")`

#### Sub-properties

-   [mainEntity](https://schema.org/mainEntity "mainEntity")

#### Source

[https://github.com/schemaorg/schemaorg/issues/4588](https://github.com/schemaorg/schemaorg/issues/4588)

[https://github.com/schemaorg/schemaorg/issues/1670](https://github.com/schemaorg/schemaorg/issues/1670)

  

### Examples

Example notes or example HTML without markup.

A JSON example for an Article about a particular event.

Example encoded as [JSON-LD](https://en.wikipedia.org/wiki/JSON-LD) in a HTML script tag.

<script type="application/ld+json">
{
  "@context": "https://schema.org/",
  "@type": "Article",
  "name": "Apple announces iPhone SE",
  "description": "New iPhone announced at 11:30 in California.",
  "about": {
    "@type": "Event",
    "name": "Apple's March 21 Announcements"
  },
  "contentReferenceTime": "2016-03-21T11:30:00-07:00"
}
</script>

Structured representation of the JSON-LD example.