Emilia is an Italian historical region which approximately corresponds to modern Emilia-Romagna region's western and north-eastern portion. It is limited by the Po River in the north, by the Apennines to the south, and the Adriatic to the east. The region's major cities include Ferrara, Bologna, Parma, Modena, Reggio Emilia and Piacenza. Emilia-Romagna is one of the 20 Regions of Italy. ... The Po (Latin: Padus, Italian: Po) is a river that flows 652 kilometers (405 miles) eastward across northern Italy, from Monviso (in the Cottian Alps) to the Adriatic Sea near Venice. ... The Apennine Mountains (Greek: Απεννινος; Latin: Appenninus--in both cases used in the singular; Italian: Appennini) is a mountain range stretching 1000 km from the north to the south of Italy along its east coast, traversing the entire peninsula, and forming, as it were, the backbone of the country. ... The Adriatic Sea is an arm of the Mediterranean Sea separating the Apennine peninsula (Italy) from the Balkan peninsula, and the system of the Apennine Mountains from that of the Dinaric Alps and adjacent ranges. ... Ferrara is a city in Emilia-Romagna, Italy, capital city of the province of Ferrara. ... For the food product, see Bologna sausage. ... Parma is a city in the Italian region of Emilia-Romagna, famous for its architecture and the fine countryside around it. ... Modena (Mòdna in Modenese dialect) is a city and a province on the south side of the Po valley, in Emilia-Romagna, Italy. ... Country Italy Region Emilia-Romagna Province Reggio Emilia (RE) Mayor Graziano Delrio (from July 1, 2004) Elevation 58 m Area 231 km² Population  - Total 141,383  - Density 612/km² Time zone CET, UTC+1 Coordinates Gentilic Reggiani Dialing code 0522 Postal code 42100 Frazioni see list Patron San Prospero  - Day... Piacenza (Placentia in Latin and old-fashioned English, Piasëinsa in the local dialect of Emiliano-Romagnolo) is a city in the Emilia-Romagna region of northern Italy. ...