No it is not. Like most of pre-industrial societies the majority of people lived in the countryside, tilling the land. However, it is true that this area was highly urbanised. Constantinople was the largest city in the European Middle Ages with a population of 500.000, which for those days was huge. There were also other big cities.
There is no southern side of the Nile. The Nile flows south to north.
Southern and Eastern Europeans
Prague, Vienna, Salzburg, Munich, Lucerne, Bern, Budapest
Portugal
When the Crusaders returned to Europe from the Middle East, they were impressed with the wealth and scientific advances they saw in Middle Eastern cities. This was a catalyst for the European Renaissance.
Patriarchs
Constantinople is famous for being one of the greatest cities in history it was known to be the capital of the Byzantine Empire, which is the Eastern part of the Roman Empire, it was also reached its height of power by the Emperor Justinian.
There are no cities in the European Union. It is an organisation, not a place.
Persia invaded and captred the Greek cities of Asia Minor and the Islands and Black Sea in the late 6th Century BCE. They then spread into northern European Greece. When the southern European Greeks started to interfere in the subject cities, the Persians sent a punitive expedition to subdue Athens and Eritea to put a stop to it in 490 BCE. This failed, so they decided to subdue all Greek cities in eastern Europe by installing puppet regimes on the Greek cities. They tried to finish this work by invading the Greek peninsula in 480 BCE. Take your pick.
There is not really an 'eastern' hemisphere unless you use the International Date Line and O degrees of longitude. Auckland is the most easterly of these cities and it is in the southern hemisphere.
Eastern European cities began to decay during the Cold War due to defunding and eliminating industrialization. Europe also borrowed money extensively from the United States.
asia