From http://www.w3schools.com (Copyright Refsnes Data)

HTML 5 <address> tag

Definition and Usage

The <address> tag defines contact information for a document or a section.

Differences Between HTML 4.01 and HTML 5

NONE

Tips and Notes

Note: The <address> tag should NOT be used to describe a postal address, unless it is a part of the contact information.

Note: The address usually renders in italic. Most browsers will add a line break before and after the address element.

Example

Source	Output
<address> Author of this document:<br /> <a href="mailto:[email protected]">Donald Duck</a> </address>	Author of this document: Donald Duck

Standard Attributes

class, contenteditable, contextmenu, dir, draggable, id, irrelevant, lang, ref, registrationmark, tabindex, template, title

For a full description, go to Standard Attributes in HTML 5.

Event Attributes

onabort, onbeforeunload, onblur, onchange, onclick, oncontextmenu, ondblclick, ondrag, ondragend, ondragenter, ondragleave, ondragover, ondragstart, ondrop, onerror, onfocus, onkeydown, onkeypress, onkeyup, onload, onmessage, onmousedown, onmousemove, onmouseover, onmouseout, onmouseup, onmousewheel, onresize, onscroll, onselect, onsubmit, onunload

For a full description, go to Event Attributes in HTML 5.