Place your theme language files in this directory. Please visit the following links to learn more about translating WordPress themes: Theme translation tutorial: https://themezee.com/docs/theme-translation/ WordPress plugin for translating themes: http://de.wordpress.org/plugins/loco-translate/ WordPress Codex: http://codex.wordpress.org/WordPress_in_Your_Language https://developer.wordpress.org/themes/functionality/localization/ http://codex.wordpress.org/Function_Reference/load_theme_textdomain