Which city is built on 118 islands:
Venice, a beautiful city in northeastern Italy, is famously built on 118 small islands that are separated by canals and linked by bridges.
While the other options are also historical cities:
Rome: The capital of Italy, Rome is known for its ancient ruins and historical significance. However, it's not built on islands.
Turin: Located in northwestern Italy, Turin is an industrial and cultural center. It's not built on islands either”]