M'riiah was a Klingon village during the time of Kahless the Unforgettable.

This was the place where Kahless refused to burn down the town as Molor ordered, leaving his service forever. (TNG novel: Kahless)

the planet Qo'noS
cities and settlements	An'quat • D'Takka • Emperor Kahless Military City • First City (Old Quarter) • Khal • Khinah • Kopf's Cliff • Krennla (Baldi'maj District • Kenta District) • Kri'stak City • M'riiah • Navarath • NarOs • Novat • Qam-Chee • Qa'yarin • Quin'lat • Saqwa' • Serra'nob • Szlar'it • T'chariv • Tisur • Tolar'tu • Tong Vey • Ya'Koraq
landmarks and institutions	Combat Testing Center • Du'Hurgh • Federation Embassy on Qo'noS • Flame Cliffs of Kutabi • Goqlath Castle • Great Domes of Qo'noS • Great Hall • Hall of Heroes • Hall of Honor • Kilgore Landing Bay • Klingon Defense Force Command Headquarters • Lukara Edifice • Museum of Military Triumph and Conquest • Palace of Kahless • Place of Honor • Tactical College • Taklar Temple • Temple of Molgar • Temple of Rogax • TengchaH Jav • Three Turn Bridge • TlhIng Veng laboratory • Vulcan Cuisine
nations and provinces	Ketha • Khlaru • Mekro'vak
geography	Almron Preserve • BIng'av Mountains • Caves of Kahless • Caves of No'Mat • Chak'ok • Cybriss Valley • DuHoH Desert • Fesh'rin Hills • Kutabi • Gharhuil • Hamar Mountains • HatlhHurgh • Jungles of Kintak • Kang's Summit • Kannaga Mountains • Karak Summit • Kartade Forest • Ka'Toth plains • Ketha Lowlands • Kol'Vat • Kri'stak volcano • Mount Batlhqui • Mount Vor • Nagh Be'nImey • Ona'ja'bur • Qimpo • Qo'dung Mountains • Qora Forest • Qualnagh Mountains • Shrana • Sutor Mountains • S'zlach • Tiv'ranisch • Tl'Gekh • TlhIngtuj Mountains • Tor'aq • Uhq'ra' Mountains
bodies of water	BIQ'a'bIng Ocean • BIQ'a'dung Ocean • Chu'paq Sea • Sea of Gatan • HoSghaj River • Lake Lursor • Lake Lusor • NIHbIQ'a' Ocean • PoSbIQ'a' Ocean • Qam-Chee River • Skral River