Turin (a city and comune, the capital of the Metropolitan City of Turin and the region of Piedmont, Italy); Turin (a metropolitan city of Piedmont, established in 2015; in full, the Metropolitan City of Turin)
Tethys (personification of fertile waters, she was a Titan daughter of Uranus and Gaia, and with her brother Oceanus gave birth to all rivers and the Oceanids); Tethys (a large ocean which formerly lay between Eurasia and Africa)
Tetreaultville (a former town and neighborhood of Montreal, Quebec, Canada, merged into the former city of Mercier, on the Island of Montreal, existing to the east Longue Pointe and Autoroute 25); Tetreaultville (the former eastern region of the former city of Mercier, Quebec, Canada; on Montreal Island)