Sea in culture of barbarian invaders and knowledge of geography took a backward step. In the seventh century, Isidore of Seville produced a "wheel map" in which Asia, Africa and Europe were arranged like segments in an orange, separated by the "Mare Mediterranean", "Nilus" and "Tanais" and surrounded by "Oceanus". It was not until the fifteenth century that Ptolemy's maps were used again and Henry the Navigator of Portugal initiated ocean exploration and maritime research. Encouraged by him, Portuguese navigators explored, mapped and charted the west coast of Africa and the Eastern Atlantic and this knowledge prepared the way for the great voyages
Bank of Africa (Red Sea) group acquired Banque Indosuez in 1996. In August 2010 the BOA Group, commenced negotiations to acquire BIMR, negotiations that came to fruition in on 22 December 2010 when the bank became Bank of Africa Red Sea (BOA-Red Sea). Bank of Africa (Red Sea) Bank of Africa (BOA Red Sea) is the second largest bank in Djibouti and is part of Mali based Bank of Africa Group. Bank of Africa Group acquired Djibouti based Banque Indosuez Mer Rouge in 2010. BOA Red Sea operates seven branches in Djibouti and a representative office in Addis Ababa. The firm traces its presence in