Is lol Leather Guard a suburb?

lol Reiser Guard is a suburb. In the game "League of Legends", Reiser Guard belongs to Telecom District 8. Telecom District One is Ionia, Telecom District Two is Zaun, Telecom District Three is Noxus, Telecom District Four is Bandle City, Telecom District Five is Piltover, Telecom District Six is ??War College, Telecom District Area 7 is Mount Targon, area 8 is guarded by Leiser, and area 9 is Iron Sun. The official recruitment clearly stated that only the top of the canyon, Ionia, Bilgevo and other districts were recruited.