Language Codes (AdWords API Developer's Guide)

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Language Codes

The table below lists two types of language codes:

Target critieria language codes - for targeting ads at specific languages
Examples: LanguageTarget.languages, LanguageGeoTargeting.languages, KeywordVariation.language, KeywordTrafficRequest.language
Display language codes - a developer's preferred language for the AdWords web interface and for receiving email promotions
Examples: AccountInfo.languagePreference

The services accept a subset of ISO-639 two letter language codes, where a few of the codes (such as zh_CN) contain locale-specific codes. For v9 and earlier versions, services can accept either an underline (zh_CN) or hyphen (zh-CN) separator, but return a hyphen separator (zh-CN). For v10 and later versions, services accept and return only an underline separator.

Language Name	Target Criteria Language Code	Display Language Code
Arabic	ar	ar
Bulgarian	bg	bg
Catalan	ca	ca
Chinese (simplified)	zh_CN	zh_CN
Chinese (traditional)	zh_TW	zh_TW
Croatian	hr	hr
Czech	cs	cs
Danish	da	da
Dutch	nl	nl
English	en	-
English (Australia)	-	en_AU
English (UK)	-	en_GB
English (US)	-	en_US
Estonian	et	et
Finnish	fi	fi
French	fr	fr
German	de	de
Greek	el	el
Hebrew	iw	iw
Hindi	hi	hi
Hungarian	hu	hu
Icelandic	is	is
Indonesian	id	id
Italian	it	it
Japanese	ja	ja
Korean	ko	ko
Latvian	lv	lv
Lithuanian	lt	lt
Norwegian	no	no
Polish	pl	pl
Portuguese	pt	-
Portuguese (Brazil)	-	pt_BR
Portuguese (Portugal)	-	pt_PT
Romanian	ro	ro
Russian	ru	ru
Serbian	sr	sr
Slovak	sk	sk
Slovenian	sl	sl
Spanish	es	es
Swedish	sv	sv
Tagalog	tl	tl
Thai	th	th
Turkish	tr	tr
Ukrainian	uk	uk
Urdu	ur	ur
Vietnamese	vi	vi