# AddressBase Premium Getting Started Guide

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These instructions show you how to get started with [AddressBase Premium](https://docs.os.uk/os-downloads/products/addresses-and-names-portfolio/addressbase-premium) and [AddressBase Premium Islands](https://docs.os.uk/os-downloads/products/addresses-and-names-portfolio/addressbase-premium-islands).
{% endhint %}

AddressBase Premium data is supplied as comma-separated values (CSV), Geography Markup Language (GML) and GeoPackage (GPKG).

<figure><img src="https://1897589978-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FcNpJpLP8RROUaWVQo5ea%2Fuploads%2FiptJGOlHuQqmNoa65UPn%2FAddressBase-Premium-1.png?alt=media&#x26;token=3b06cb78-59f1-497f-b823-397472d0ecc7" alt="A representation of AddressBase Premium data showing address data points marked against a background map" width="563"><figcaption><p>A representation of AddressBase Premium data</p></figcaption></figure>

This guide shows you how to get started with AddressBase Premium and includes the following sections:

* [Prerequisites](https://docs.os.uk/os-downloads/products/addresses-and-names-portfolio/addressbase-premium/addressbase-premium-getting-started-guide/prerequisites)
* [Data supply](https://docs.os.uk/os-downloads/products/addresses-and-names-portfolio/addressbase-premium/addressbase-premium-getting-started-guide/data-supply)
* [Working with CSV data](https://docs.os.uk/os-downloads/products/addresses-and-names-portfolio/addressbase-premium/addressbase-premium-getting-started-guide/working-with-csv-data)
* [Working with GPKG data](https://docs.os.uk/os-downloads/products/addresses-and-names-portfolio/addressbase-premium/addressbase-premium-getting-started-guide/working-with-gpkg-data)
* [Working with GML data](https://docs.os.uk/os-downloads/products/addresses-and-names-portfolio/addressbase-premium/addressbase-premium-getting-started-guide/working-with-cou-data)
* [Working with COU data](https://docs.os.uk/os-downloads/products/addresses-and-names-portfolio/addressbase-premium/addressbase-premium-getting-started-guide/working-with-gml-data)
* [Creating a single-line or multi-line address](#id-11._creating_a_single-line_or_multi-line)
* [Searching for addresses](#id-12._searching_for_addresses)


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