You can find the available language packs and their locale abbreviations in the installation media in subfolders named for the locale of the image. (locale.nls) and lang.ini files,
Refer below link for more info :
https://technet.microsoft.com/en-us/library/mt126167.aspx
As per my understanding, It will support all language packs, When you install packages with these options, a corresponding language pack is also installed based on the configured locale of the administrator account.
Regards,
Manjunath Sullad