Sillamäe (Estonian for 'Bridge Hill'; also known by the Germanised names of Sillamäggi or Sillamägi) is a town in Ida-Viru County in the northern part of Estonia, on the southern coast of the Gulf of Finland. It has a population of 13,666 (as of 1 January 2017) and covers an area of 10.54 km2.[1] Sillamäe is located at the mouth of Sõtke River.