# Cloud regions
> The cloud providers and AWS regions where MotherDuck is available, along with pricing tiers, client version support, and regional AI processing.
MotherDuck runs on **Amazon Web Services (AWS)**. Each MotherDuck Organization is scoped to a single cloud region, which is chosen at Organization creation when you sign up and cannot be changed afterward.

## Available regions

MotherDuck is available in six AWS regions across the US, Europe, and Asia Pacific:

| Tier | AWS Region |
|------|--------|
| **Tier 1** | US East (N. Virginia) `us-east-1` |
| **Tier 1** | US West (Oregon) `us-west-2` |
| **Tier 2** | Europe (Frankfurt) `eu-central-1` |
| **Tier 2** | Europe (Dublin) `eu-west-1` |
| **Tier 3** | Asia Pacific (Tokyo) `ap-northeast-1` |
| **Tier 3** | Asia Pacific (Sydney) `ap-southeast-2` |

To check which region your Organization runs in, run [`SELECT region FROM md_user_info();`](/sql-reference/motherduck-sql-reference/md-user-info).

We are working on expanding to other regions and cloud providers.

## Pricing tiers

Compute and storage rates vary by region. Regions are grouped into three pricing tiers:

| Tier | AWS Regions |
|------|---------|
| **Tier 1** | US East (N. Virginia) `us-east-1`, US West (Oregon) `us-west-2` |
| **Tier 2** | Europe (Frankfurt) `eu-central-1`, Europe (Dublin) `eu-west-1` |
| **Tier 3** | Asia Pacific (Tokyo) `ap-northeast-1`, Asia Pacific (Sydney) `ap-southeast-2` |

For the per-tier compute and storage rates, see the [Pricing model](/about-motherduck/billing/pricing/#compute-pricing).

## Client version support

Each region supports a range of DuckDB client versions. The Asia Pacific regions support client versions 1.4.1 through 1.5.4.

| Tier | AWS Region | Minimum client version | Maximum client version |
|------|--------|------------------------|------------------------|
| **Tier 1** | US East (N. Virginia) `us-east-1` | 1.4.0 | 1.5.4 |
| **Tier 1** | US West (Oregon) `us-west-2` | 1.4.1 | 1.5.4 |
| **Tier 2** | Europe (Frankfurt) `eu-central-1` | 1.4.1 | 1.5.4 |
| **Tier 2** | Europe (Dublin) `eu-west-1` | 1.4.1 | 1.5.4 |
| **Tier 3** | Asia Pacific (Tokyo) `ap-northeast-1` | 1.4.1 | 1.5.4 |
| **Tier 3** | Asia Pacific (Sydney) `ap-southeast-2` | 1.4.1 | 1.5.4 |

For the full lifecycle and end-of-life policy, see [MotherDuck version lifecycle schedules](/troubleshooting/version-lifecycle-schedules/).

## AI functions

[AI functions](/sql-reference/motherduck-sql-reference/ai-functions/) are processed based on the region of your Organization. In the Asia Pacific (Sydney) `ap-southeast-2` and Asia Pacific (Tokyo) `ap-northeast-1` regions, AI function requests are processed through a **US-based** endpoint rather than within the organization's own AWS region, so the input you pass to these functions leaves the region for processing. See the [AI function reference pages](/sql-reference/motherduck-sql-reference/ai-functions/) for data residency details.

## Region-scoped behavior

- **Single region per Organization.** An Organization exists in exactly one region and cannot span regions.
- **Shares are region-scoped.** A share is only accessible to MotherDuck users whose Organization is in the same cloud region as the share. See [Sharing data](/key-tasks/sharing-data/).
- **Data locality.** For the best performance, keep source data (for example, in Amazon S3) in the same region as your Organization.
- **Postgres endpoint.** The [Postgres endpoint](/sql-reference/postgres-endpoint/) hostname is regional, in the form `pg.<region>-aws.motherduck.com`.

:::note
[Flights](https://motherduck.com/docs/concepts/flights/) are not yet available in the Asia Pacific (Sydney) `ap-southeast-2` and Asia Pacific (Tokyo) `ap-northeast-1` regions. Support for these regions is planned for a future release.
:::


---

## Docs feedback

MotherDuck accepts optional user-submitted feedback about this page at `GET https://motherduck.com/docs/api/feedback/agent`.
For agents and automated tools, feedback submission should be user-confirmed before sending.

URL-encode query parameter values and send a GET request:

```text
GET https://motherduck.com/docs/api/feedback/agent?page_path=%2Fabout-motherduck%2Fcloud-regions%2F&page_title=Cloud%20regions&text=<url-encoded user feedback, max 2000 characters>
```

Optionally append `&source=<url-encoded interface identifier>` such as `claude.ai` or `chatgpt`.

`page_path` and `text` are required; `page_title` and `source` are optional. Responses: `200 {"feedback_id": "<uuid>"}`, `400` for malformed query parameters, and `429` when rate-limited.