Harju County

Harju County
Tallinn business district at night
CountryEstonia
CapitalTallinn
Other townsKeila, Kehra, Loksa, Maardu, Saue, and Paldiski
Area
  Total
4,333 km2 (1,673 sq mi)
Population
 (2023)
  Total
638,076
  Rank1st
  Density147.26/km2 (381.4/sq mi)
Ethnicity
  Estonians59.34%
  Russians27.1%
  other13.56%
GDP
  Total€21.680 billion (2022)
  Per capita€34,615 (2022)
ISO 3166 codeEE-37

Harju County (Estonian: Harju maakond or Harjumaa), is one of the fifteen counties of Estonia. It is situated in northern Estonia, on the southern coast of the Gulf of Finland, and borders Lääne-Viru County to the east, Järva County to the southeast, Rapla County to the south, and Lääne County to the southwest. The capital and largest city of Estonia, Tallinn, is situated in Harju County. Harju is the largest county in Estonia in terms of population, as almost half (45%) of Estonia's population lives in Harju County.