W3cubDocs

<nav>

The HTML <nav> element represents a section of a page that links to other pages or to parts within the page: a section with navigation links.

Content categories	Flow content, sectioning content, palpable content.
Permitted content	Flow content.
Tag omission	None, both the starting and ending tag are mandatory.
Permitted parents	Any element that accepts flow content.
Permitted ARIA roles	None
DOM interface	`HTMLElement`

This element only includes the global attributes.

Not all links of a document must be in a <nav> element, which is intended only for major block of navigation links; typically the <footer> element often has a list of links that don't need to be in a <nav> element.
A document may have several <nav> elements, for example, one for site navigation and one for intra-page navigation.
User agents, such as screen readers targeting disabled users, can use this element to determine whether to omit the initial rendering of this content.

<nav>
  <ul>
    <li><a href="#">Home</a></li>
    <li><a href="#">About</a></li>
    <li><a href="#">Contact</a></li>
  </ul>
</nav>

Specification	Status	Comment
WHATWG HTML Living Standard The definition of '<nav>' in that specification.	Living Standard	No change since latest W3C snapshot.
HTML5 The definition of '<nav>' in that specification.	Recommendation	Initial definition

Feature	Chrome	Edge	Firefox (Gecko)	Internet Explorer	Opera	Safari
Basic support	5	(Yes)	4.0 (2.0)	9.0	11.10	4.1

Feature	Android	Edge	Firefox Mobile (Gecko)	IE Mobile	Opera Mobile	Safari Mobile
Basic support	2.2	(Yes)	4.0 (2.0)	9.0	11.0	5.0 (iOS 4.2)