The alphamegalog of the cities of Arizona lists the largest city in Arizona for each letter of the alphabet. In this case, ‘largest’ is based on population within the city proper.

Avondale
Buckeye
Chandler
Drexel Heights
El Mirage
Flagstaff
Glendale
Holbrook
Indian Wells
Jerome
Kingman
Lake Havasu City
Mesa
Nogales
Oro Valley
Phoenix
Queen Creek
Rio Rico
Scottsdale
Tucson
Upper Santan Village
Vale
Winslow
(no X)
Yuma
(no Z)