Tfenpthi'su is a city on the Tnectish continent of the planet Tzenketh. Tfenpthi'su was the jumping off point in the expansion of the Tzenkethi civilization to the northern continent where the Crown Mountains are located. (Decipher RPG module: Worlds)

the planet Tzenketh
cities and settlements	Karaln • Leroan • Tfenpthi'su • Tzenkurh • Turoz • Zar'tz
geography	Chasm of Iortz • Crown Sea Ice Cap • Drog'cha Mountains • Fru'anth Sea Ice Cap • Iortakh Mountains • Luorn Mountains • Tfenpthi Mountains • Tnectish continent (Tzu'Nar Mountains • Vhra'nek Mountains) • Zhorgka Mountains
bodies of water	Crown Sea • Fru'anth Sea • Hur'ahn Sea • Orch'tza Ocean • Sea of Tzurka • T'forgra Sea • Tzalmora Sea • Winding Strait • Yandir Sea