Arizona ( [ ɛərᵻˈzoʊnə , _ ærᵻ - ] ) ( Hoozdo Hahoodzo [ xòːztò xɑ̀xòːtsò ] O'odham : Alĭ ṣonak [ ˡaɺi ˡʃonak ] ) is a state in the southwestern region of the United States . It is the sixth largest and the 14th most populous of the 50 states . Arizona is the 48th state and last of the contiguous states to be admitted to the Union , achieving statehood on February 14 , 1912 . Canada ( [ ˈkænədə ] [ kanadɑ ] ) is a country in the northern part of North America . The University of Arizona ( also referred to as U of A , UA , or Arizona ) is a public research university in Tucson , Arizona , United States .
Arizona is in Canada.