The following languages are supported for use in your store:
Arabic – ar (Note: Supported for the storefront only; the administration interface cannot be localized into Arabic)
Bulgarian – bg
Chinese (Simplified) – zh_CN
Chinese (Traditional) – zh_TW
Croatian – hr
Czech – cs
Danish – da
Dutch – nl
English (Australian) – en_AU
English (Canadian) – en_CA
English (UK) – en_GB
English (US) – en_US
Estonian – et
Finnish – fi
French – fr
French Canadian – fr_CA
German – de
Greek – el
Hungarian – hu
Italian – it
Japanese – ja
Korean – ko
Latvian – lv
Lithuanian – lt
Norwegian – no
Polish – pl
Portuguese (Brazil) – pt_BR
Portuguese (Portugal) – pt_PT
Romanian – ro
Russian – ru
Serbian (Cyrillic) – sr_RS
Serbian (Latin) – sr_Latn_RS
Slovenian – sl
Spanish – es
Swedish – sv
Thai – th
Turkish – tr
Ukrainian – uk