Zadar was once the largest city-fortress in the Republic of Venice and its City Walls were an important part of an elaborate defensesystem.The City Walls of Zadar, together with the other five components of the Venetian Works of Defense of the 16th and 17th century, located in today’s Croatia, Italy and Montenegro, joined UNESCO’s World Heritage List in 2017 as an outstanding monument of the modern maritime fortification scheme.The most impressive part of the Walls is the Land Gate, the main historical entrance to the city built in 1543 by Michele Sanmicheli, a famous Venetian architect. As an integral part of the Walls, it is considered one of the finest Renaissance monuments in whole Dalmatia, boasting its triumphal arch, central passage and two smaller side arches for pedestrians.