Q: Does the system provide interface localization to cater for local preferences?
A: Yes, eZ Publish is fully localized. Several locales are already shipped with eZ Publish and custom locales can easily be added.
Information on the localization can be found here:
http://doc.ez.no/eZ-Publish/Technical-manual/4.5/Features/Multi-language2/Configuring-your-site-locale