1. Inland Sea of Japan = 18 thousand km2
It belongs to the Pacific Ocean, washes the shores of the islands of Kyushu and Shikoku. It has a connection to the Sea of Japan, and through the Straits of Hayasui and Bungo, Kim and Naruto goes to the Pacific Ocean. In ancient times, the region of this sea served as an important transport interchange and the birth of industry.
2. Ligurian Sea = 15 thousand km2
It belongs to the western basin of the Mediterranean Sea and is named after the Ligurians, the inhabitants of the oldest tribe that previously settled at the foot of the Alps and Apennines. Here is the Gulf of Genoa and the Tuscan Archipelago. The Ligurian Sea has borders with the Tyrrhenian Sea.
3. Marmara Sea = 11.472 thousand km2
Once, as a result of a major fracture of the earth’s crust, a sea was formed, and it was called Marble. At one time, this water area aroused great interest among navigators and scientists. The Marmara Sea is washed by the large islands of Marmara, Princes. Turkey plans to connect the Marmara Sea with the Black Sea in the next few years through the construction of a shipping channel.
4. Wadden sea = 10 thousand km2
The wadded Sea is also called the North Sea. These are shallow sea areas washing Holland, Germany, Denmark and the Frisian Islands. This sea belongs to the UNESCO World Heritage Site and is considered a large-scale natural tidal ecosystem. This means that in the Wadden Sea, life is able to originate and evolve without human intervention. There are large reserves of natural gas here.
5. Samar Sea = 3.87 thousand km2
The small sea between the Philippine Islands washes the islands of Samar, Masbate, Luzon and Leyte. It is part of the Pacific Ocean. There has been a significant reduction in fish species due to uncontrolled fishing. Due to the violation of the ecological balance, the population of jellyfish has sharply increased, and the extinction of coral reefs is provoked by deforestation, soil flushing and silting of reefs.