Stop Islamization of America, also called the American Freedom Defense Initiative, is an American anti-Islam

Islam

Islam . The most common are and .   : Arabic pronunciation varies regionally. The first vowel ranges from ~~. The second vowel ranges from ~~~...

 organization. It is led by Pamela Geller

Pamela Geller

Pamela Geller is an American blogger, author, political activist, and commentator. She is known primarily for her criticisms of Islam and opposition to Muslim activities and causes, such as the proposed construction of an Islamic community center near the former site of the World Trade Center...

 and Robert Spencer, and was founded in 2010 at the request of Anders Gravers Pedersen, the leader of Stop Islamisation of Europe, of which it is the American affiliate. It gained attention from its vocal opposition to the construction of Park51.

It is labeled as a hate group

Hate group

A hate group is an organized group or movement that advocates and practices hatred, hostility, or violence towards members of a race, ethnicity, religion, gender, sexual orientation or other designated sector of society...

 by the Anti-Defamation League

Anti-Defamation League

The Anti-Defamation League is an international non-governmental organization based in the United States. Describing itself as "the nation's premier civil rights/human relations agency", the ADL states that it "fights anti-Semitism and all forms of bigotry, defends democratic ideals and protects...

 and the Southern Poverty Law Center

Southern Poverty Law Center

The Southern Poverty Law Center is an American nonprofit civil rights organization noted for its legal victories against white supremacist groups; legal representation for victims of hate groups; monitoring of alleged hate groups, militias and extremist organizations; and educational programs that...

. Several public commentators have referred to it as "anti-muslim"