Member: European Union, NATO, Schengen Area, Eurozone:
- Belgium,
- Croatia,
- Estonia,
- Finland,
- France,
- Germany
- Greece,
- Italy,
- Latvia,
- Lithuania,
- Luxembourg,
- Netherlands,
- Portugal,
- Slovakia,
- Slovenia,
- Spain
Member: European Union, NATO, Schengen Area – Not member: Eurozone:
- Czech Republic,
- Denmark,
- Hungary,
- Poland
- Sweden
Member: European Union, NATO – Partly member: Schengen Area* – Not member: Eurozone
- Bulgaria,
- Romania
*yes for air and sea borders, no for land borders
Member: European Union, Schengen Area, Eurozone – Not member: NATO
- Austria,
- Malta
Member: NATO, Schengen Area – Not member: European Union, Eurozone
- Iceland,
- Norway
Member: Schengen Area – Not member: European Union, Eurozone, NATO
- Switzerland
Member: NATO – Not member: European Union, Eurozone, Schengen Area
- Albania,
- Montenegro*,
- North Macedonia,
- Turkey,
- United Kingdom
*Montenegro uses the euro as a de facto domestic currency