Are you wanting to target your server to a specific local?
Bellow is a list for every local i am aware of.
USE IN THE FOLLOWING FORMAT
sets locale "AA-AA" – Replace the AA-AA With your locale
**PLEASE LET ME KNOW IF I HAVE MISSED ANY OR ADDED ANY EXTRA 
**
| Locale | Language | Territory |
|---|---|---|
| ar-AE | Arabic | United Arab Emirates |
| ar-BH | Arabic | Bahrain |
| ar-DZ | Arabic | Algeria |
| ar-EG | Arabic | Egypt |
| ar-IN | Arabic | Iran |
| 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-SY | Arabic | Syria |
| ar-TN | Arabic | Tunisia |
| ar-YE | Arabic | Yemen |
| be-BY | Belarusian | Belarus |
| bg-BG | Bulgarian | Bulgaria |
| ca-ES | Catalan | Catalan |
| cs-CZ | Czech | Czech Republic |
| da-DK | Danish | Denmark |
| de-AT | German | Austria |
| de-BE | German | Belgium |
| de-CH | German | Switzerland |
| de-DE | German | Germany |
| de-LU | German | Luxembourg |
| el-GR | Greek | Greece |
| en-AU | English | Australia |
| en-CA | English | Canada |
| en-GB | English | United Kingdom |
| en-IN | English | India |
| en-NZ | English | New Zealand |
| en-PH | English | Philippines |
| en-US | English | United States |
| en-ZA | English | South Africa |
| en-ZW | English | Zimbabwe |
| es-AR | Spanish | Argentina |
| es-BO | Spanish | Bolivia |
| es-CL | Spanish | Chile |
| es-CO | Spanish | Columbia |
| es-CR | Spanish | Costa Rica |
| 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-EE | Estonian | Estonia |
| eu-ES | Basque | Basque |
| fi-FI | Finnish | Finland |
| fo-FO | Faroese | Faroe Islands |
| fr-BE | French | Belgium |
| fr-CA | French | Canada |
| fr-CH | French | Switzerland |
| fr-FR | French | France |
| fr-LU | French | Luxembourg |
| gl-ES | Galician | Galician |
| gu-IN | Gujarati | India |
| he-IL | Hebrew | Israel |
| hi-IN | Hindi | India |
| hr-HR | Croatian | Croatia |
| hu-HU | Hungarian | Hungary |
| id-ID | Indonesian | Indonesia |
| is-IS | Icelandic | Iceland |
| it-CH | Italian | Switzerland |
| it-IT | Italian | Italy |
| ja-JP | Japanese | Japan |
| ka-GE | Georgian | Georgia |
| ko-KR | Korean | Republic of Korea |
| lt-LT | Lithuanian | Lithuania |
| lv-LV | Latvian | Latvia |
| mk-MK | Macedonian | FYROM |
| mn-MN | Mongolia | Mongolian |
| ms-MY | Malay | Malaysia |
| nb-NO | Norwegian(Bokmal) | Norway |
| nl-BE | Dutch | Belgium |
| nl-NL | Dutch | The Netherlands |
| no-NO | Norwegian | Norway |
| pl-PL | Polish | Poland |
| pt-BR | Portugese | Brazil |
| pt-PT | Portugese | Portugal |
| rm-CH | Romansh | Switzerland |
| ro-RO | Romanian | Romania |
| ru-RU | Russian | Russia |
| ru-UA | Russian | Ukraine |
| sk-SK | Slovak | Slovakia |
| sl-SI | Slovenian | Slovenia |
| sq-AL | Albanian | Albania |
| sr-YU | Serbian | Serbia |
| sv-FI | Swedish | Finland |
| sv-SE | Swedish | Sweden |
| sw-KE | Swahili | Kenya |
| ta-IN | Tamil | India |
| te-IN | Telugu | India |
| th-TH | Thai | Thailand |
| tr-TR | Turkish | Turkey |
| uk-UA | Ukrainian | Ukraine |
| ur-PK | Urdu | Pakistan |
| vi-VN | Vietnamese | Viet Nam |
| zh-CN | Chinese | China |
| zh-HK | Chinese | Hong Kong |
| zh-TW | Chinese | Taiwan Province of China |
language is Persian (Farsi)