Alba County

Alba County
Județul Alba
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.