| Harju County|
Hiiu is a subdistrict (Estonian: asum) in the district of Nõmme, Tallinn, the capital of Estonia. It covers an area of 2.50 km2 (0.97 sq mi) and has a population of 3,986 (As of 1 January 2015), population density is 1,556/km2 (4,031/sq mi).
Hiiu has a station on the Elron western route. The first narrow gauge railway station was built to Hiiu in 1913.