Explanation

The European Free Trade Association

It is a regional trade organization and free trade area consisting of four European states:

1. Iceland
2. Liechtenstein
3. Norway 
4. Switzerland

Founders:

1. Switzerland
2. Norway
3. United Kingdom
4. Sweden
5. Denmark
6. Portugal
7. Austria

Founded: January 4, 1960

Secretariat: Geneva; Brussels

Largest city: Oslo

Official working language: English

Official languages of member state 7 languages

1. French
2. German
3. Icelandic
4. Italian
5. Norwegian
6. Romansh
7. Sami