What is North Atlantic Treaty Organization called in Icelandic with how to pronounce and transliteration in English?

English to Icelandic

• Organization of the Islamic Conference
• International Olympic Committee Alþjóða Ólympíunefndinni
• United Nations Sameinuðu þjóðirnar
• League of Arab States
• African Union Afríkusambandið
• European Union Evrópusambandi
• World Health Organization Alþjóðaheilbrigðisstofnunin
• Organisation for Economic Co-operation and Development
• Red Cross Rauði krossinn
• Red Crescent Rauði hálfmáninn