Siltasaari (Finnish), or Broholmen (Swedish), is a central neighborhood of Helsinki, Finland. Most of its area is unofficially known also as Hakaniemi.

Siltasaari
Broholmen
Position of Siltasaari within Helsinki
Position of Siltasaari within Helsinki
Coordinates: 60°10′36″N 24°57′03″E / 60.17678°N 24.95089°E / 60.17678; 24.95089
Country Finland
RegionUusimaa
Sub-regionGreater Helsinki
MunicipalityHelsinki
DistrictCentral
Area
0.22 km2 (0.08 sq mi)
Population
2,266
 • Density10,300/km2 (27,000/sq mi)
Postal codes
00500, 00530
Subdivision number111
Neighbouring subdivisionsKruununhaka, Kluuvi, Linjat, Sörnäinen
Siltasaari around 1900.