An abandoned city in Barsoom’s South West hemisphere, that falls within the domain of the green Martian tribe of Torquas. Aaanthor has a famous broad boulevard that leads to the central plaza known as the Avenue of Quays.
“He gazed about in bewildered astonishment. There indeed was a great city, but it was not Ptarth. No multitudes surged through its broad avenues. No signs of life broke the dead monotony of its deserted roof tops. No gorgeous silks, no priceless furs lent life and colour to the cold marble and the gleaming ersite. No patrol boat lay ready with its familiar challenge. Silent and empty lay the great city—empty and silent the surrounding air.” (TMM III).