Joomla! Project wish to see the Joomla! CMS made available in any language.
For that to become possible we need the help from talented native speakers who wish to contribute by translating Joomla! 1.5 language packages into their native language.
For 2.5.x: Joomla! 2.5 language pack
In case your language is not currently available at this list at joomlacode 1.5 repository or, for 2.5 at at joomlacode 2.5 repository and you have already created a local translation then please follow these steps:
If your language is not listed and you want to join the Joomla! Translation Teams, please contact a member of the Coordination.