Where did the three leaders, F.D. Roosevelt, Winston Churchill and Joseph Stalin, meet in 1943 and agreed on the need for maintaining international peace?

In Teheran the three leaders, F.D. Roosevelt, Winston Churchill and Joseph Stalin, meet in 1943 and agreed on the need for maintaining international peace. The Tehran Conference (codenamed Eureka) was a strategy meeting of Joseph Stalin, Franklin D. Roosevelt, and Winston Churchill from 28 November to 1 December 1943, after the Anglo-Soviet Invasion of Iran.