In biogeography, the Mediterranean Basin (ˌmɛdɪtəˈreɪniən ), also known as the Mediterranean Region or sometimes Mediterranea, is the region of lands around the Mediterranean Sea that have mostly a Mediterranean climate, with mild to cool, rainy winters and warm to hot, dry summers, which supports characteristic Mediterranean forests, woodlands, and scrub vegetation.
The Mediterranean Basin covers portions of three continents: Europe, Africa, and Asia. It is distinct from the drainage basin, which extends much further south and north due to major rivers ending in the Mediterranean Sea, such as the Nile and Rhône. Conversely, the Mediterranean Basin includes regions not in the drainage basin.
It has a varied and contrasting topography. The Mediterranean Region offers an ever-changing landscape of high mountains, rocky shores, impenetrable scrub, semi-arid steppes, coastal wetlands, sandy beaches and a myriad of islands of various shapes and sizes dotted amidst the clear blue sea. Contrary to the classic sandy beach images portrayed in most tourist brochures, the Mediterranean is surprisingly hilly. Mountains can be seen from almost anywhere.
By definition, the Mediterranean Basin extends from Macaronesia in the west, to the Levant in the east, although some places may or may not be included depending on the view, as is the case with Macaronesia: some definitions only include Madeira and the Canary Islands while others include the whole Macaronesia (with the Azores and Cape Verde).
In Western Asia, it covers the western and southern portions of the peninsula of Anatolia, as far as Iraq, but excluding the temperate-climate mountains of central Turkey. It includes the Mediterranean Levant at the eastern end of the Mediterranean, bounded on the east and south by the Syrian and Negev deserts.
The northern portion of the Maghreb region of northwestern Africa has a Mediterranean climate, separated from the Sahara Desert, which extends across North Africa, by the Atlas Mountains.