# Get neighbors of an H3 index

> Supported in: Batch, Faster, Streaming

Get all neighbors of an H3 index.

**Expression categories:** Geospatial

## Declared arguments

* **Expression:** A valid H3 index.<br>*Expression\<H3 Index>*

**Output type:** *Array\<H3 Index>*

## Examples

### Example 1: Base case

**Argument values:**

* **Expression:** `h3Index`

| h3Index | **Output** |
| ----- | ----- |
| 8843a13687fffff | \[ 8843a13681fffff, 8843a13683fffff, 8843a13685fffff, 8843a136abfffff, 8843a136b9fffff, 8843a136bdfffff ] |
| 85283473fffffff | \[ 8528340bfffffff, 8528340ffffffff, 85283447fffffff, 85283463fffffff, 85283477fffffff, 8528347bfffffff ] |
| 860800007ffffff | \[ 860800017ffffff, 86080001fffffff, 860800027ffffff, 86080002fffffff, 860800037ffffff ] |
| Invalid h3 index | *null* |
| *null* | *null* |

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