gistfile1.txt

add_filter("gform_address_types", "uk_address", 10, 2);

function uk_address($address_types, $form_id)
{
    $address_types["uk"] = array(
        "label" => "UK",
        "country" => "United Kingdom",
        "zip_label" => "Postcode",
        "state_label" => "County",
        "states" => array(
            'Bedfordshire' => 'Bedfordshire',
			'Berkshire' => 'Berkshire',
			'Buckinghamshire' => 'Buckinghamshire',
			'City of Bristol' => 'City of Bristol',
			'Cambridgeshire' => 'Cambridgeshire',
			'Cheshire' => 'Cheshire',
			'Cornwall' => 'Cornwall',
			'Cumbria' => 'Cumbria',
			'Derbyshire' => 'Derbyshire',
			'Devon' => 'Devon',
			'Dorset' => 'Dorset',
			'Durham' => 'Durham',
			'East Sussex' => 'East Sussex',
			'Essex' => 'Essex',
			'Gloucestershire' => 'Gloucestershire',
			'Greater London' => 'Greater London',
			'Greater Manchester' => 'Greater Manchester',
			'Hampshire' => 'Hampshire',
			'Hertfordshire' => 'Hertfordshire',
			'Isle of Wight' => 'Isle of Wight',
			'Kent' => 'Kent',
			'Lancashire' => 'Lancashire',
			'Leicestershire' => 'Leicestershire',
			'Lincolnshire' => 'Lincolnshire',
			'City of London' => 'City of London',
			'Merseyside' => 'Merseyside',
			'Norfolk' => 'Norfolk',
			'Northamptonshire' => 'Northamptonshire',
			'Northumberland' => 'Northumberland',
			'North Yorkshire' => 'North Yorkshire',
			'Nottinghamshire' => 'Nottinghamshire',
			'Oxfordshire' => 'Oxfordshire',
			'Rutland' => 'Rutland',
			'Shropshire (Salop)' => 'Shropshire (Salop)',
			'Somerset' => 'Somerset',
			'South Yorkshire' => 'South Yorkshire',
			'Staffordshire' => 'Staffordshire',
			'Suffolk' => 'Suffolk',
			'Surrey' => 'Surrey',
			'Tyne and Wear' => 'Tyne and Wear',
			'Warwickshire' => 'Warwickshire',
			'West Midlands' => 'West Midlands',
			'West Sussex' => 'West Sussex',
			'West Yorkshire' => 'West Yorkshire',
			'Wiltshire' => 'Wiltshire',
			'Worcestershire' => 'Worcestershire',
        )
    );
    return $address_types;
}