Heraklion or Herakleion, sometimes Iraklion, is the largest city and the administrative capital of the island of Crete and capital of Heraklion regional unit. It is the fourth largest city in Greece with a municipal population of 179,302 (2021) and 211,370 in its wider metropolitan area, according to the 2011 census. The greater area of Heraklion has been continuously inhabited since at least 7000 BCE, making it one of the oldest inhabited regions in Europe. It is also home to the ancient Knossos Palace, a major center of the Minoan civilization dating back to approximately 2000-1350 BCE, often considered Europe's oldest city. The palace is one of the most significant archaeological sites in Greece, second only to the Parthenon in terms of visitor numbers.