The Martyrs' Square ; known as Green Square under the Gaddafi government; Independence Square during the monarchy; and originally known as Piazza Italia is a downtown landmark at the bay in the city of Tripoli, Libya. The main commercial center of the city surrounds the square. The Square is also a main tourist attraction in Tripoli. It has a large legendary fountain designed by an Italian architect at the centre of the square. The square is the meeting point of many different avenues. Omar Mukhtar Avenue is one of the longest in North Africa, it was built by Italians in the colonial time, and Libyans during the era of King Idris I. Independence Street branches from the square too, and it leads to the Palace of King Idris I. 24 December Avenue is also an Italian built avenue. Mizran Street is the last street that branches from the Martyrs' Square.