Municipal elections were held in the six municipalities of the Anglo-American occupation zone ('Zone A') of the Free Territory of Trieste in June 1949, Trieste, Duino-Aurisina, San Dorligo della Valle, Sgonico, Monrupino and Muggia.
In the last few decades, the Slovene Union and the Italian leftist party (the Democratic Party, before the Democrats of the Left and before them the Communist Party) alternate in power.