Required Content Placeholders in SharePoint Masterpages

Name of Content Placeholder	Description
PlaceHolderAdditionalPageHead	Additional content that needs to be within the tag of the page, for example, references to script in style sheets
PlaceHolderBodyAreaClass	Additional body styles in the page header
PlaceHolderBodyLeftBorder	Border element for the main page body
PlaceHolderBodyRightMargin	Right margin of the main page body
PlaceHolderCalendarNavigator	Shows a date picker for navigating in a calendar when a calendar is visible on the page
PlaceHolderFormDigest	The “form digest” security control
PlaceHolderGlobalNavigation	The global navigation breadcrumb
PlaceHolderHorizontalNav	Top navigation menu for the page
PlaceHolderLeftActions	Bottom of the left navigation area
PlaceHolderLeftNavBar	Left navigation area
PlaceHolderLeftNavBarBorder	Border element on the left navigation bar
PlaceHolderLeftNavBarDataSource	Data source for the left navigation menu
PlaceHolderLeftNavBarTop	Top of the left navigation area
PlaceHolderMain	Page’s main content
PlaceHolderMiniConsole	A place to show page-level commands, for example, WIKI commands such as Edit Page,History, and Incoming Links
PlaceHolderNavSpacer	The width of the left navigation area
PlaceHolderPageDescription	Description of the page contents
PlaceHolderPageImage	Page icon in the upper left area of the page
PlaceHolderPageTitle	The page that is shown in the browser’s title bar</td></tr>
PlaceHolderSearchArea	Search box area
PlaceHolderSiteName	Site name
PlaceHolderTitleAreaClass	Additional styles in the page header
PlaceHolderTitleAreaSeparator	Shows shadows for the title area
PlaceHolderTitleBreadcrumb	Main content breadcrumb area
PlaceHolderTitleInTitleArea	Page title shown immediately below the breadcrumb
PlaceHolderTitleLeftBorder	Left border of the title area
PlaceHolderTitleRightMargin	Right margin of the title area
PlaceHolderTopNavBar	Top navigation area
PlaceHolderUtilityContent	Extra content that needs to be at the bottom of the page
SPNavigation	Empty by default in Windows SharePoint Services.  Can be used for additional page editing controls.
WSSDesignConsole	The page editing controls when the page is inEdit Page mode (after clicking Site Actions, then Edit Page)