The intent is to define terse, standards-supported names for AWS regions.
| Region | Location | Partition | Launched | AWS code | A1 | A2 | B | 
|---|---|---|---|---|---|---|---|
| US East | N. Virginia | aws | 2006 | us-east-1 | usea1 | use1 | usva | 
| US East | Ohio | aws | 2016 | us-east-2 | usea2 | use2 | usoh | 
| US West | N. California | aws | 2011 | us-west-1 | uswe1 | usw1 | usca | 
| US West | Oregon | aws | 2009 | us-west-2 | uswe2 | usw2 | usor | 
| GovCloud US | Northwest | aws-us-gov | 2011 | us-gov-west-1 | ugwe2 | usgw2 | usgov | 
| Canada | Montreal | aws | 2016 | ca-central-1 | cace1 | cac1 | caqc | 
| EU | Ireland | aws | 2007 | eu-west-1 | euwe1 | ew1 | ied | 
| EU | London | aws | 2016 | eu-west-2 | euwe2 | ew2 | gblnd | 
| EU | Frankfurt | aws | 2014 | eu-central-1 | euce1 | ec1 | dehe | 
| Asia Pacific | Singapore | aws | 2010 | ap-southeast-1 | apse1 | apse1 | sg | 
| Asia Pacific | Sydney | aws | 2012 | ap-southeast-2 | apse2 | apse2 | aunsw | 
| Asia Pacific | Mumbai | aws | 2016 | ap-south-1 | apso1 | aps1 | inmh | 
| Asia Pacific | Tokyo | aws | 2011 | ap-northeast-1 | apne1 | apne1 | jp13 | 
| Asia Pacific | Seoul | aws | 2016 | ap-northeast-2 | apne2 | apne2 | kr11 | 
| South America | Saõ Paulo | aws | 2011 | sa-east-1 | saea1 | sae1 | brsp | 
| China | Beijing | aws-cn | 2013 | cn-north-1 | cnno1 | cn1 | cn11 | 
| Code | Description | 
|---|---|
| A1 | Abbreviated AWS code (equal length) | 
| A2 | Abbreviated AWS code | 
| B | Concatenated ISO 3166 code | 
| AWS code | Domain 1 | Domain 2 | 
|---|---|---|
| us-east-1 | example-va.us | example.us | 
| us-west-1 | example-ca.us | example-west.us | 
| us-west-2 | example-or.us | example-nw.us | 
| eu-west-1 | example-d.ie | example.ie | 
| eu-west-2 | example-lnd.net.uk | example.net.uk | 
| eu-central-1 | example-he.de | example.de | 
| ap-southeast-1 | example.sg | example.sg | 
| ap-southeast-2 | example-nsw.net.au | example.net.au | 
| ap-northeast-1 | example-13.jp | example.jp | 
| ap-northeast-2 | example.seoul.kr | example.ne.kr | 
| sa-east-1 | example-sp.net.br | example.net.br | 
| cn-north-1 | example.bj.cn | example.cn | 
| AWS code | A1 | A2 | B | 
|---|---|---|---|
| us-east-1 | USea1 | USe1 | USva | 
| us-west-1 | USwe1 | USw1 | USca | 
| us-west-2 | USwe2 | USw2 | USor | 
| us-gov-west-1 | gUSwe1 | gUSw1 | gUSnw | 
| eu-west-1 | EUwe1 | Ew1 | IEd | 
| eu-west-2 | EUwe2 | Ew2 | GBlnd | 
| eu-central-1 | EUce1 | Ec1 | DEhe | 
| ap-southeast-1 | APse1 | APse1 | SG | 
| ap-southeast-2 | APse2 | APse2 | AUnsw | 
| ap-northeast-1 | APne1 | APne1 | JP13 | 
| ap-northeast-2 | APne2 | APne2 | KR11 | 
| sa-east-1 | SAea1 | SAe1 | BRsp | 
| cn-north-1 | CNno1 | Cn1 | CN11 | 
| AWS code | A1 | A2 | A2c | B | 
|---|---|---|---|---|
| us-east-1 | usea1 | use1 | USE1 | usva | 
| us-west-1 | uswe1 | usw1 | USW1 | usca | 
| us-west-2 | uswe2 | usw2 | USW2 | usor | 
| us-gov-west-1 | govuswe1 | govusw1 | USgW1 | govusnw | 
| eu-west-1 | euwe1 | ew1 | EW1 | ied | 
| eu-west-2 | euwe2 | ew2 | EW2 | gblnd | 
| eu-central-1 | euce1 | ec1 | EC1 | dehe | 
| ap-southeast-1 | apse1 | apse1 | APSE1 | sg | 
| ap-southeast-2 | apse2 | apse2 | APSE2 | aunsw | 
| ap-northeast-1 | apne1 | apne1 | APNE1 | jp13 | 
| ap-northeast-2 | apne2 | apne2 | APNE2 | kr11 | 
| sa-east-1 | saea1 | sae1 | SAE1 | brsp | 
| cn-north-1 | cnno1 | cn1 | CN1 | cn11 |