headquarters_location fandemonium 
Fandemonium is one of southwest Idaho ' s Sci - Fi , Anime , Gaming Conventions , created to bring multi - genre conventions to Idaho . Held annually in ___MASK75___ , Idaho at the ___MASK75___ Civic Center , the convention takes place during the first full weekend of August . The convention has featured role - playing games such as Dungeons and Dragons and HarnMaster , Cosplay Groups and competitive contests for costume designs , collectible card games like Magic , the Gathering , computer games , and more . Idaho is a state in the northwestern region of the United States . It borders the state of ___MASK71___ to the east and northeast , Wyoming to the east , Nevada and Utah to the south , and ___MASK62___ and Oregon to the west . To the north , it shares a small portion of the Canadian border with the province of British ___MASK78___ . With a population of around 1 . 7 million people and an area of , Idaho is the 14th largest and 39th most populous of the 50 states . The state ' s capital and largest city is ___MASK7___ . ___MASK75___ is the largest city of Canyon County , Idaho , USA . The population of ___MASK75___ was 81 , 557 at the 2010 census making it the third - most populous city in Idaho . ___MASK75___ is located about west of ___MASK7___ along Interstate 84 , and six miles ( 10 km ) west of Meridian . ___MASK75___ is the second principal city of the ___MASK7___ - ___MASK75___ metropolitan area . The name " ___MASK75___ " may have come from a Shoshoni word meaning either moccasin or footprint .