Locales

This is the list of supported locales and variants in the engine. It's based on the Unix standard locale strings:

Locale	Language and Variant
aa	Afar
aa_DJ	Afar (Djibouti)
aa_ER	Afar (Eritrea)
aa_ET	Afar (Ethiopia)
af	Afrikaans
af_ZA	Afrikaans (South Africa)
agr_PE	Aguaruna (Peru)
ak_GH	Akan (Ghana)
am_ET	Amharic (Ethiopia)
an_ES	Aragonese (Spain)
anp_IN	Angika (India)
ar	Arabic
ar_AE	Arabic (United Arab Emirates)
ar_BH	Arabic (Bahrain)
ar_DZ	Arabic (Algeria)
ar_EG	Arabic (Egypt)
ar_IQ	Arabic (Iraq)
ar_JO	Arabic (Jordan)
ar_KW	Arabic (Kuwait)
ar_LB	Arabic (Lebanon)
ar_LY	Arabic (Libya)
ar_MA	Arabic (Morocco)
ar_OM	Arabic (Oman)
ar_QA	Arabic (Qatar)
ar_SA	Arabic (Saudi Arabia)
ar_SD	Arabic (Sudan)
ar_SS	Arabic (South Sudan)
ar_SY	Arabic (Syria)
ar_TN	Arabic (Tunisia)
ar_YE	Arabic (Yemen)
as_IN	Assamese (India)
ast_ES	Asturian (Spain)
ayc_PE	Southern Aymara (Peru)
ay_PE	Aymara (Peru)
az_AZ	Azerbaijani (Azerbaijan)
be	Belarusian
be_BY	Belarusian (Belarus)
bem_ZM	Bemba (Zambia)
ber_DZ	Berber languages (Algeria)
ber_MA	Berber languages (Morocco)
bg	Bulgarian
bg_BG	Bulgarian (Bulgaria)
bhb_IN	Bhili (India)
bho_IN	Bhojpuri (India)
bi_TV	Bislama (Tuvalu)
bn	Bengali
bn_BD	Bengali (Bangladesh)
bn_IN	Bengali (India)
bo	Tibetan
bo_CN	Tibetan (China)
bo_IN	Tibetan (India)
br_FR	Breton (France)
brx_IN	Bodo (India)
bs_BA	Bosnian (Bosnia and Herzegovina)
byn_ER	Bilin (Eritrea)
ca	Catalan
ca_AD	Catalan (Andorra)
ca_ES	Catalan (Spain)
ca_FR	Catalan (France)
ca_IT	Catalan (Italy)
ce_RU	Chechen (Russia)
chr_US	Cherokee (United States)
cmn_TW	Mandarin Chinese (Taiwan)
crh_UA	Crimean Tatar (Ukraine)
csb_PL	Kashubian (Poland)
cs	Czech
cs_CZ	Czech (Czech Republic)
cv_RU	Chuvash (Russia)
cy_GB	Welsh (United Kingdom)
da	Danish
da_DK	Danish (Denmark)
de	German
de_AT	German (Austria)
de_BE	German (Belgium)
de_CH	German (Switzerland)
de_DE	German (Germany)
de_IT	German (Italy)
de_LU	German (Luxembourg)
doi_IN	Dogri (India)
dv_MV	Dhivehi (Maldives)
dz_BT	Dzongkha (Bhutan)
el	Greek
el_CY	Greek (Cyprus)
el_GR	Greek (Greece)
en	English
en_AG	English (Antigua and Barbuda)
en_AU	English (Australia)
en_BW	English (Botswana)
en_CA	English (Canada)
en_DK	English (Denmark)
en_GB	English (United Kingdom)
en_HK	English (Hong Kong)
en_IE	English (Ireland)
en_IL	English (Israel)
en_IN	English (India)
en_NG	English (Nigeria)
en_NZ	English (New Zealand)
en_PH	English (Philippines)
en_SG	English (Singapore)
en_US	English (United States)
en_ZA	English (South Africa)
en_ZM	English (Zambia)
en_ZW	English (Zimbabwe)
eo	Esperanto
es	Spanish
es_AR	Spanish (Argentina)
es_BO	Spanish (Bolivia)
es_CL	Spanish (Chile)
es_CO	Spanish (Colombia)
es_CR	Spanish (Costa Rica)
es_CU	Spanish (Cuba)
es_DO	Spanish (Dominican Republic)
es_EC	Spanish (Ecuador)
es_ES	Spanish (Spain)
es_GT	Spanish (Guatemala)
es_HN	Spanish (Honduras)
es_MX	Spanish (Mexico)
es_NI	Spanish (Nicaragua)
es_PA	Spanish (Panama)
es_PE	Spanish (Peru)
es_PR	Spanish (Puerto Rico)
es_PY	Spanish (Paraguay)
es_SV	Spanish (El Salvador)
es_US	Spanish (United States)
es_UY	Spanish (Uruguay)
es_VE	Spanish (Venezuela)
et	Estonian
et_EE	Estonian (Estonia)
eu	Basque
eu_ES	Basque (Spain)
fa	Persian
fa_IR	Persian (Iran)
ff_SN	Fulah (Senegal)
fi	Finnish
fi_FI	Finnish (Finland)
fil	Filipino
fil_PH	Filipino (Philippines)
fo_FO	Faroese (Faroe Islands)
fr	French
fr_BE	French (Belgium)
fr_CA	French (Canada)
fr_CH	French (Switzerland)
fr_FR	French (France)
fr_LU	French (Luxembourg)
fur_IT	Friulian (Italy)
fy_DE	Western Frisian (Germany)
fy_NL	Western Frisian (Netherlands)
ga	Irish
ga_IE	Irish (Ireland)
gd_GB	Scottish Gaelic (United Kingdom)
gez_ER	Geez (Eritrea)
gez_ET	Geez (Ethiopia)
gl_ES	Galician (Spain)
gu_IN	Gujarati (India)
gv_GB	Manx (United Kingdom)
hak_TW	Hakka Chinese (Taiwan)
ha_NG	Hausa (Nigeria)
he	Hebrew
he_IL	Hebrew (Israel)
hi	Hindi
hi_IN	Hindi (India)
hne_IN	Chhattisgarhi (India)
hr	Croatian
hr_HR	Croatian (Croatia)
hsb_DE	Upper Sorbian (Germany)
ht_HT	Haitian (Haiti)
hu	Hungarian
hu_HU	Hungarian (Hungary)
hus_MX	Huastec (Mexico)
hy_AM	Armenian (Armenia)
ia_FR	Interlingua (France)
id	Indonesian
id_ID	Indonesian (Indonesia)
ig_NG	Igbo (Nigeria)
ik_CA	Inupiaq (Canada)
is	Icelandic
is_IS	Icelandic (Iceland)
it	Italian
it_CH	Italian (Switzerland)
it_IT	Italian (Italy)
iu_CA	Inuktitut (Canada)
ja	Japanese
ja_JP	Japanese (Japan)
kab_DZ	Kabyle (Algeria)
ka	Georgian
ka_GE	Georgian (Georgia)
kk_KZ	Kazakh (Kazakhstan)
kl_GL	Kalaallisut (Greenland)
km_KH	Central Khmer (Cambodia)
kn_IN	Kannada (India)
kok_IN	Konkani (India)
ko	Korean
ko_KR	Korean (South Korea)
ks_IN	Kashmiri (India)
ku	Kurdish
ku_TR	Kurdish (Turkey)
kw_GB	Cornish (United Kingdom)
ky_KG	Kirghiz (Kyrgyzstan)
lb_LU	Luxembourgish (Luxembourg)
lg_UG	Ganda (Uganda)
li_BE	Limburgan (Belgium)
li_NL	Limburgan (Netherlands)
lij_IT	Ligurian (Italy)
ln_CD	Lingala (Congo)
lo_LA	Lao (Laos)
lt	Lithuanian
lt_LT	Lithuanian (Lithuania)
lv	Latvian
lv_LV	Latvian (Latvia)
lzh_TW	Literary Chinese (Taiwan)
mag_IN	Magahi (India)
mai_IN	Maithili (India)
mg_MG	Malagasy (Madagascar)
mh_MH	Marshallese (Marshall Islands)
mhr_RU	Eastern Mari (Russia)
mi	Maori
mi_NZ	Maori (New Zealand)
miq_NI	Mískito (Nicaragua)
mk	Macedonian
mk_MK	Macedonian (Macedonia)
ml	Malayalam
ml_IN	Malayalam (India)
mni_IN	Manipuri (India)
mn_MN	Mongolian (Mongolia)
mr_IN	Marathi (India)
ms	Malay
ms_MY	Malay (Malaysia)
mt	Maltese
mt_MT	Maltese (Malta)
my_MM	Burmese (Myanmar)
myv_RU	Erzya (Russia)
nah_MX	Nahuatl languages (Mexico)
nan_TW	Min Nan Chinese (Taiwan)
nb	Norwegian Bokmål
nb_NO	Norwegian Bokmål (Norway)
nds_DE	Low German (Germany)
nds_NL	Low German (Netherlands)
ne_NP	Nepali (Nepal)
nhn_MX	Central Nahuatl (Mexico)
niu_NU	Niuean (Niue)
niu_NZ	Niuean (New Zealand)
nl	Dutch
nl_AW	Dutch (Aruba)
nl_BE	Dutch (Belgium)
nl_NL	Dutch (Netherlands)
nn	Norwegian Nynorsk
nn_NO	Norwegian Nynorsk (Norway)
nr_ZA	South Ndebele (South Africa)
nso_ZA	Pedi (South Africa)
oc_FR	Occitan (France)
om	Oromo
om_ET	Oromo (Ethiopia)
om_KE	Oromo (Kenya)
or_IN	Oriya (India)
os_RU	Ossetian (Russia)
pa_IN	Panjabi (India)
pa_PK	Panjabi (Pakistan)
pap	Papiamento
pap_AN	Papiamento (Netherlands Antilles)
pap_AW	Papiamento (Aruba)
pap_CW	Papiamento (Curaçao)
pl	Polish
pl_PL	Polish (Poland)
pr	Pirate
ps_AF	Pushto (Afghanistan)
pt	Portuguese
pt_BR	Portuguese (Brazil)
pt_PT	Portuguese (Portugal)
quy_PE	Ayacucho Quechua (Peru)
quz_PE	Cusco Quechua (Peru)
raj_IN	Rajasthani (India)
ro	Romanian
ro_RO	Romanian (Romania)
ru	Russian
ru_RU	Russian (Russia)
ru_UA	Russian (Ukraine)
rw_RW	Kinyarwanda (Rwanda)
sa_IN	Sanskrit (India)
sat_IN	Santali (India)
sc_IT	Sardinian (Italy)
sco	Scots
sd_IN	Sindhi (India)
se_NO	Northern Sami (Norway)
sgs_LT	Samogitian (Lithuania)
shs_CA	Shuswap (Canada)
sid_ET	Sidamo (Ethiopia)
si	Sinhala
si_LK	Sinhala (Sri Lanka)
sk	Slovak
sk_SK	Slovak (Slovakia)
sl	Slovenian
sl_SI	Slovenian (Slovenia)
so	Somali
so_DJ	Somali (Djibouti)
so_ET	Somali (Ethiopia)
so_KE	Somali (Kenya)
so_SO	Somali (Somalia)
son_ML	Songhai languages (Mali)
sq	Albanian
sq_AL	Albanian (Albania)
sq_KV	Albanian (Kosovo)
sq_MK	Albanian (Macedonia)
sr	Serbian
sr_Cyrl	Serbian (Cyrillic)
sr_Latn	Serbian (Latin)
sr_ME	Serbian (Montenegro)
sr_RS	Serbian (Serbia)
ss_ZA	Swati (South Africa)
st_ZA	Southern Sotho (South Africa)
sv	Swedish
sv_FI	Swedish (Finland)
sv_SE	Swedish (Sweden)
sw_KE	Swahili (Kenya)
sw_TZ	Swahili (Tanzania)
szl_PL	Silesian (Poland)
ta	Tamil
ta_IN	Tamil (India)
ta_LK	Tamil (Sri Lanka)
tcy_IN	Tulu (India)
te	Telugu
te_IN	Telugu (India)
tg_TJ	Tajik (Tajikistan)
the_NP	Chitwania Tharu (Nepal)
th	Thai
th_TH	Thai (Thailand)
ti	Tigrinya
ti_ER	Tigrinya (Eritrea)
ti_ET	Tigrinya (Ethiopia)
tig_ER	Tigre (Eritrea)
tk_TM	Turkmen (Turkmenistan)
tl_PH	Tagalog (Philippines)
tn_ZA	Tswana (South Africa)
tr	Turkish
tr_CY	Turkish (Cyprus)
tr_TR	Turkish (Turkey)
ts_ZA	Tsonga (South Africa)
tt_RU	Tatar (Russia)
ug_CN	Uighur (China)
uk	Ukrainian
uk_UA	Ukrainian (Ukraine)
unm_US	Unami (United States)
ur	Urdu
ur_IN	Urdu (India)
ur_PK	Urdu (Pakistan)
uz	Uzbek
uz_UZ	Uzbek (Uzbekistan)
ve_ZA	Venda (South Africa)
vi	Vietnamese
vi_VN	Vietnamese (Vietnam)
wa_BE	Walloon (Belgium)
wae_CH	Walser (Switzerland)
wal_ET	Wolaytta (Ethiopia)
wo_SN	Wolof (Senegal)
xh_ZA	Xhosa (South Africa)
yi_US	Yiddish (United States)
yo_NG	Yoruba (Nigeria)
yue_HK	Yue Chinese (Hong Kong)
zh	Chinese
zh_CN	Chinese (China)
zh_HK	Chinese (Hong Kong)
zh_SG	Chinese (Singapore)
zh_TW	Chinese (Taiwan)
zu_ZA	Zulu (South Africa)