Erdogan was informed of the win during his visit to Lebanon.
The Turkish PM will be visiting Libya to attend a conference of African countries and the European Union. He will receive the prize on November 29 from Gaddafi himself, the Libyan leader's office said Friday.
Erdogan is not the first leader to win the prestigious Libyan prize. He was preceded by former South African President Nelson Mandela, former Cuban leader Fidel Castro and Venezuelan President Hugo Chavez.
During his Lebanon trip on Thursday, Erdogan warned that Turkey will not remain silent if Israel attacks Lebanon or Gaza.
"Does (Israel) think it can enter Lebanon with the most modern aircraft and tanks to kill women and children, and destroy schools and hospitals, and then expect us to remain silent?" Erdogan said at a conference organized by the Union of Arab Banks.
AP contributed to the story
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