Colussa or Koloussa (Ancient Greek: Κόλουσσα) was an ancient Greek city[1] on the Black Sea coast of ancient Paphlagonia.[2]
Its site is located near Güllüsu in Sinop Province, Turkey.[2][3]
41°56′51″N 34°16′17″E / 41.947448°N 34.27145°E / 41.947448; 34.27145