Ionian Bank up its banking licence. The Greek operation, renamed "Ionian Popular Bank", was absorbed into Alpha Bank in 2000. A "decree of the Eminent Senate of the Commonwealth of Ionian Islands" established the Ionian State Bank in 1839, to finance trade between the Ionian Islands (a British protectorate), and Great Britain. This made the bank the oldest in Greece. The bank received a 20-year grant of the exclusive privilege of issuing and circulating banknotes for the Ionian Islands. The bank soon changed its name to Ionian Bank (IB), and initially only operated in the Ionian Islands, opening branches in Corfu, Aante
Ionian Sea Sea, and from Piraeus westward. Calypso Deep, the deepest point in the Mediterranean at , is located in the Ionian Sea, at . The sea is one of the most seismically active areas in the world. The name "Ionian" comes from the Greek language . Its etymology is unknown. Ancient Greek writers, especially Aeschylus, linked it to the myth of Io. In Ancient Greek the adjective "Ionios" () was used as an epithet for the sea because Io swam across it. According to the "Oxford Classical Dictionary", the name may derive from Ionians who sailed to the West. There were