About available languages in the AdWords interface
AdWords is used by advertisers all around the world and is available in 44 languages. The list below shows all of the languages that you can select for the AdWords interface. Learn how to change your AdWords language preferences.
Chinese (China, Hong Kong and Taiwan)
English (Australia, United Kingdom and United States)
Portuguese (Brazil and Portugal)
These languages are different from the ones that you can target. See the full list of languages that you can target by viewing the "Languages" section of your campaign settings.