Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Greece is a maritime nation by tradition, as shipping is arguably the oldest form of occupation of the Greeks and has been a key element of Greek economic activity since ancient times. The Greeks have been a maritime nation since the times of ancient Greece, as the mountainous landscape of the mainland, the limited farming area and the extended coastline of Greece led people to occupy with shipping. The geographical position of the region on the crossroads of ancient sea lanes in the eastern Mediterranean, the multiplicity of islands and the proximity to other advanced civilizations helped shape the maritime nature of the Greek nation at an early stage.