The hgroup element (<hgroup>) is used to group heading with associated sub-headings. More specifically it can say that HTML5 hgroup tag is used for grouping <h1> – <h6> tags. It works just like a container of two or more related heading elements.
Important point need to be remembered:
HTML5 hgroup element is supported by latest versions of all web browsers. Internet Explorer 8 or earlier versions of Internet Explorer do not support hgroup tag.
There is an example of HTML5 hgroup element given below:
<article> <hgroup> <h1>Title of article goes here</h1> <h2>Sub-title of article goes here</h2> </hgroup> <p>Article content goes here...</p> </article>