Border Length: 1,185.02 mi (1,907.13 km)
Area: 37,192 sq. mi (96,327 sq. km)
Population (2012) total: 11,146,619
Density: 300/sq mi (116/sq km)
Composed of the Regions of —
Ferrara
- Capital: Ferrara
- Area Total: 2,632 km2 (1,016 sq mi)
- Population (2012) Total: 359,351
- Density: 140/km2 (350/sq mi)
Karlovac & Lika-Senj
- Capital: Karlovac
- Area Total: 8,978 km2 (3,467 sq mi)
- Population (2011) Total: 179,826
- Density: 20/km2 (52/sq mi)
Zadar & Šibenik-Knin
- Capital: Zadar
- Area Total: 6,630 km2 (2,560 sq mi)
- Population (2011) Total: 279,392
- Density: 42/km2 (109/sq mi)
Veneto
- Capital: Venice
- Area Total: 18,399 km2 (7,104 sq mi)
- Population (2012) Total: 4,865,380
- Density: 260/km2 (680/sq mi)
Trentino-Alto Adige/Südtirol
- Capital: Trento
- Area Total: 13,607 km2 (5,254 sq mi)
- Population (2015) Total: 1,056,223
- Density: 78/km2 (200/sq mi)
Primorje-Gorski Kotar & Istria
- Capital: Rijeka
- Area Total: 6,401 km2 (2,471 sq mi)
- Population (2011) Total: 504,250
- Density: 78/km2 (204/sq mi)
Friuli-Venezia Giulia
- Capital: Trieste
- Area: Total 7,856 km2 (3,033 sq mi)
- Population (2013) Total: 1,229,363
- Density 160/km2 (410/sq mi)
Carintha & Bezirk Lienz
- Capital: Klagenfurt
- Area Total: 11,552 km2 (4,460 sq mi)
- Population (2015) Total: 606,939
- Density: 52/km2 (136/sq mi)
Slovenia
- Capital: Ljubljana
- Area Total: 20,273 km2 (7,827 sq mi)
- Population (2017) Total: 2,065,895
- Density 101.8/km2 (263.7/sq mi)