A designation of the European Union (country code EM) covers all the countries that are Member States of the European Union. The following countries are members to the European Union:
- Austria (AT)
- Benelux (consisting of Belgium, Luxembourg and the Netherlands) (BX)
- Bulgaria (BG)
- Croatia
- Cyprus (CY)
- Czech Republic (CZ)
- Denmark (DK)
- Estonia (EE)
- Germany (DE)
- Spain (ES)
- Finland (FI)
- France (FR)
- United Kingdom (GB)
- Greece (GR)
- Hungary (HU)
- Ireland (IE)
- Italy (IT)
- Lithuania (LT)
- Latvia (LV)
- Malta (MT)
- Poland (PL)
- Portugal (PT)
- Romania (RO)
- Sweden (SE)
- Slovenia (SI)
- Slovakia (SK)
An updated list can be found here: https://europa.eu/european-union/about-eu/countries_en