Crete is the largest and most populous of the Greek islands and the fifth largest island in the Mediterranean Sea. Crete and a number of surrounding islands and islets constitute the region of Crete, the capital and the largest city of which is Heraklion. The prefecture of Heraklion was the base city of Minoan Civilization. Through the ages, Heraklion, has changed and expanded, leaving behind many monuments of different eras and different cultures, worth visiting. Many museums of ancient, folklore and nature history are present in the wider area of the city. (Heraklion Archaeological Museum, Cretaquarium, Historical Museum of Crete, Natural History Museum, The Battle of Crete and National Resistance Museum, Nikos Kazantzakis Museum, Lychnostatis Open Air Museum, Collection of Agia Aikaterini of Sinai, Museum of Visual Arts). Being in the middle of the Mediterranean Sea, helps to achieve one of the best climates of the world, with hot summer days and mild winters.