| Population | 150.000 residents (137.711 according to the 2001 census). |
| Surface | 120 sqm |
| Climate | Soft Mediterranean. |
| Geographyá | Capital of Crete, in the centre of the northern coast of island. |
| History | Birthplace of the first European civilization since Minoan Period 3.000 b.c. with capital the city of Knosos. |
| Economy | Key sectors are Tourism, Agriculture and Trade. |
| Crops | Olive trees, vines, orange,legumes. |
| Food | Cretan foods with olive oil, legumes, vegetables, fruits, wine. |
| Flora | Unique aromatic plants. |
| Fauna | Unique Cretan Chamois (Kri Kri). |
| Museums | Archaeological Museum, Historical Museum, Natural History Museum, Museum Of Battle of Crete. |
| Academic Institutions | University of Crete, Faculty of Medicine (8.000 students), Technological Institution (6.500 students), Foundation of Research and Technology (FORTH), Technological Park (STEPc). |
| Airport | Second International Airport of Greece, first in charter flights. |
| Harbour | Important passenger, commercial and cruise. |
| Hotels | Numerous of luxury, A' ,B',and C' |
| Road Network | National road connects Heraklion with the other main cities of Crete. |
| Hospitals | Regional Academic (PEPAGNI), Venizeleio General. |
| Tourist Period | From April To November |