An array of EU country codes.

eu.php

<?php

$eu_countries = array(
  	"AT" => "Austria",
	"BE" => "Belgium",
	"BG" => "Bulgaria",
	"HR" => "Croatia",
	"CY" => "Cyprus",
	"CZ" => "Czech Republic",
	"DK" => "Denmark",
	"EE" => "Estonia",
	"FI" => "Finland",
	"FR" => "France",
	"DE" => "Germany",
	"GR" => "Greece",
	"HU" => "Hungary",
	"IE" => "Ireland",
	"IT" => "Italy",
	"LV" => "Latvia",
	"LT" => "Lithuania",
	"LU" => "Luxembourg",
	"MT" => "Malta",
	"NL" => "Netherlands",
	"PL" => "Poland",
	"PT" => "Portugal",
	"RO" => "Romania",
	"SK" => "Slovakia (Slovak Republic)",
	"SI" => "Slovenia",
	"ES" => "Spain",
	"SE" => "Sweden",
	"RD" => "Local IP" // added for testing purposes
);

missing Croatia(HR)

Remove GB

@amityweb and @hugowan. Updated.

Remove GB

Brexit means Brexit

Many thanks for this...

Greece in some cases , for example EU Soap requests can be referenced as EL instead of GR .