10 most difficult Mediter­ranean Sea riddles

Euboea, with 3670 km2 (1417 sq.m.) is more than twice as large as the third largest island, Lesbos. Euboea is separated from mainland by just 40 m wide Euripus Strait. A bridge over the strait was first constructed in the twenty-first year of the Peloponnesian War (410 BC).

The Tyrrhenian Sea is part of the Mediterranean Sea off the western coast of Italy. It is named for the Tyrrhenian people, identified since the 6th century BCE with the Etruscans of Italy.

Corfu is the second largest of the Ionian Islands, west of Greek Peninsula. It was long controlled by Venice, which repulsed several Turkish sieges, before falling under British rule following the Napoleonic Wars. Corfu was eventually ceded by the British Empire and unified with the modern Greece in 1864.

The maritime republics of the Mediterranean Basin were thalassocratic city-states which flourished in Italy and Dalmatia during the Middle Ages. The best known among the maritime republics are Venice, Genoa, Pisa, and Amalfi. The Kingdom of Naples was a state created as a result of the War of the Sicilian Vespers in 1302.

Maltese developed from Arabic in Sicily, and later in Malta, between the end of the ninth century and the end of the thirteenth century. Maltese is the only Semitic language written in the Latin script. Through the history, the Maltese language has been classified in various ways, with some claiming that the ancient Punic language (used in Carthage) was the base of the language, while others believed the language to be Berber, and under Fascist Italy, it was considered a dialect of Italian.

Mt Stromboli has been in almost one continuous eruption for the past 2000 years, which is the longest known in the world. The volcano explodes at intervals ranging from minutes to hours. This is known as Strombolian eruption type, also observed at other volcanoes worldwide.

Punta de Tarifa, Spain is the southernmost point of the Iberian Peninsula and continental Europe. It is located in the province of Cádiz and the autonomous community of Andalusia on the Atlantic end of the Straits of Gibraltar. The coast of Morocco can be seen from this point.

Calypso Deep, the deepest point in the Mediterranean at −5,267 m (−17,280 ft), is located in the Ionian Sea.

The Republic of Venice existed for over a millennium, from the late 7th century until 1797. That was one of the longest uninterrupted existence of a sovereign country in the history of Europe.

Through its history, Sicily was ruled by Greeks, Carthaginians, Romans, Vandals, Arabs, Normans, Germans, French, and Aragon. However, it has never been conquered by the Osman Empire despite its vicinity.