The sea located north of Italy is the Adriatic Sea. This body of water separates the Italian peninsula from the Balkan Peninsula, playing a crucial role in trade, transport, and cultural exchange throughout history. The Adriatic Sea is known for its scenic coastlines, charming towns, and rich marine biodiversity. Major Italian cities such as Venice and Trieste are situated along its shores, making it a popular tourist destination. The sea has significant historical importance, having been a center for maritime activities since ancient times.