Alba County

Alba County
Județul Alba
Flag of Alba County
Location of Alba County in Romania
Location of Alba County in Romania
Country Romania
Development region1Centru
Historic regionTransylvania
County seatAlba Iulia
Government
 • TypeCounty Council
 • President of the County CouncilIon Dumitrel (PNL)
 • Prefect2Nicolae Albu
Area
 • Total
6,242 km2 (2,410 sq mi)
 • Rank16th in Romania
Population
 (2021-12-01)
 • Total
325,941
 • Rank29th in Romania
 • Density52.22/km2 (135.2/sq mi)
Time zoneUTC+2 (EET)
 • Summer (DST)UTC+3 (EEST)
Postal Code
51wxyz3
Area code+40 x584
Car PlatesAB5
GDPUS$ 6.760 billion (2025)
GDP per capitaUS$ 20,739 (2025)
WebsiteCounty Council
County Prefecture

Alba County (Romanian pronunciation: [ˈalba]) is a county (județ) of Romania located in the historic region of Transylvania. Its capital is Alba Iulia, a city with a population of 63,536.