In Australia, the following tracks are synthetic as of 26th June 2023.
Ballarat Sythetic
Canberra Acton
Cranbourne Synthetic
Devonport Synthetic
Gold Coast Poly
Packenham Synthetic
Sunshine Coast Synthetic
Sunshine Coast Poly
The reason this is importanmt to know because on a Sythetic Track, they are often given a track rating of Good (3)
Synthetic tracks can also be referred to as Artificial or Poly tracks.