---
# System prepended metadata

title: Regions and Availability Zones
tags: [aws]

---

# Regions and Availability Zones

[TOC]

###### tags: `aws`

---

## US East (N. Virginia) `us-east-1`

| ZoneName     | ZoneId     |
| ------------ | ---------- |
| `us-east-1a` | `use1-az6` |
| `us-east-1b` | `use1-az1` |
| `us-east-1c` | `use1-az2` |
| `us-east-1d` | `use1-az4` |
| `us-east-1e` | `use1-az3` |
| `us-east-1f` | `use1-az5` |

## US East (Ohio) `us-east-2`

| ZoneName     | ZoneId     |
| ------------ | ---------- |
| `us-east-2a` | `use2-az1` |
| `us-east-2b` | `use2-az2` |
| `us-east-2c` | `use2-az3` |

## US West (N. California) `us-west-1`

| ZoneName     | ZoneId     |
| ------------ | ---------- |
| `us-west-1b` | `usw1-az3` |
| `us-west-1c` | `usw1-az1` |

## US West (Oregon) `us-west-2`

| ZoneName     | ZoneId     |
| ------------ | ---------- |
| `us-west-2a` | `usw2-az2` |
| `us-west-2b` | `usw2-az1` |
| `us-west-2c` | `usw2-az3` |
| `us-west-2d` | `usw2-az4` |

## Africa (Cape Town) `af-south-1`

須 root account 開通尚可查詢

## Asia Pacific (Hong Kong) `ap-east-1`

| ZoneName         | ZoneId     |
| ---------------- | ---------- |
| **`ap-east-1a`** | `ape1-az1` |
| **`ap-east-1b`** | `ape1-az2` |
| **`ap-east-1c`** | `ape1-az3` |

## Asia Pacific (Jakarta) `ap-southeast-3`

須 root account 開通尚可查詢

## Asia Pacific (Mumbai) `ap-south-1`

| ZoneName          | ZoneId     |
| ----------------- | ---------- |
| **`ap-south-1a`** | `aps1-az1` |
| **`ap-south-1b`** | `aps1-az3` |
| **`ap-south-1c`** | `aps1-az2` |

## Asia Pacific (Osaka) `ap-northeast-3`

| ZoneName              | ZoneId      |
| --------------------- | ----------- |
| **`ap-northeast-3a`** | `apne3-az3` |
| **`ap-northeast-3b`** | `apne3-az1` |
| **`ap-northeast-3c`** | `apne3-az2` |

## Asia Pacific (Seoul) `ap-northeast-2`

| ZoneName              | ZoneId      |
| --------------------- | ----------- |
| **`ap-northeast-2a`** | `apne2-az1` |
| **`ap-northeast-2b`** | `apne2-az2` |
| **`ap-northeast-2c`** | `apne2-az3` |
| **`ap-northeast-2d`** | `apne2-az4` |

## Asia Pacific (Singapore) `ap-southeast-1`

| ZoneName              | ZoneId      |
| --------------------- | ----------- |
| **`ap-southeast-1a`** | `apse1-az1` |
| **`ap-southeast-1b`** | `apse1-az2` |
| **`ap-southeast-1c`** | `apse1-az3` |

## Asia Pacific (Sydney) `ap-southeast-2`

| ZoneName              | ZoneId      |
| --------------------- | ----------- |
| **`ap-southeast-2a`** | `apse2-az3` |
| **`ap-southeast-2b`** | `apse2-az1` |
| **`ap-southeast-2c`** | `apse2-az2` |

## Asia Pacific (Tokyo) `ap-northeast-1`

| ZoneName              | ZoneId      |
| --------------------- | ----------- |
| **`ap-northeast-1a`** | `apne1-az4` |
| **`ap-northeast-1c`** | `apne1-az1` |
| **`ap-northeast-1d`** | `apne1-az2` |

## Canada (Central) `ca-central-1`

| ZoneName        | ZoneId         |
| --------------- | -------------- |
| `ca-central-1a` | `cac1-az1`     |
| `cac1-az2`      | `ca-central-1` |
| `ca-central-1d` | `cac1-az4`     |

## Europe (Frankfurt) `eu-central-1`

| ZoneName        | ZoneId     |
| --------------- | ---------- |
| `eu-central-1a` | `euc1-az2` |
| `eu-central-1b` | `euc1-az3` |
| `eu-central-1c` | `euc1-az1` |

## Europe (Ireland) `eu-west-1`

| ZoneName     | ZoneId     |
| ------------ | ---------- |
| `eu-west-1a` | `euw1-az1` |
| `eu-west-1b` | `euw1-az2` |
| `eu-west-1c` | `euw1-az3` |

## Europe (London) `eu-west-2`

| ZoneName     | ZoneId     |
| ------------ | ---------- |
| `eu-west-2a` | `euw2-az2` |
| `eu-west-2b` | `euw2-az3` |
| `eu-west-2c` | `euw2-az1` |

## Europe (Milan) `eu-south-1`

須 root account 開通尚可查詢

## Europe (Paris) `eu-west-3`

| ZoneName     | ZoneId     |
| ------------ | ---------- |
| `eu-west-3a` | `euw3-az1` |
| `eu-west-3b` | `euw3-az2` |
| `eu-west-3c` | `euw3-az3` |

## Europe (Stockholm) `eu-north-1`

| ZoneName      | ZoneId     |
| ------------- | ---------- |
| `eu-north-1a` | `eun1-az1` |
| `eu-north-1b` | `eun1-az2` |
| `eu-north-1c` | `eun1-az3` |

## Middle East (Bahrain) `me-south-1`

須 root account 開通尚可查詢

## South America (São Paulo) `sa-east-1`

| ZoneName     | ZoneId     |
| ------------ | ---------- |
| `sa-east-1a` | `sae1-az1` |
| `sa-east-1b` | `sae1-az2` |
| `sa-east-1c` | `sae1-az3` |

## To find your Availability Zones using the AWS CLI

1. Use the [`describe-availability-zones`](https://docs.aws.amazon.com/cli/latest/reference/ec2/describe-availability-zones.html) command as follows to describe the Availability Zones within the specified Region.

```shell
$ aws ec2 describe-availability-zones --region region-name
```

2. Use the [`describe-availability-zones`](https://docs.aws.amazon.com/cli/latest/reference/ec2/describe-availability-zones.html) command as follows to describe the Availability Zones regardless of the opt-in status.

```shell
$ aws ec2 describe-availability-zones --all-availability-zones
```

### Source

- [Regions and Zones](https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/using-regions-availability-zones.html)