(historical) Short for 埼玉郡 (Saitama-gun): Saitama (a former district in northeastern Musashi Province, facing the Tone River, in the Kanto Region, Japan)

Short for さいたま市 (Saitama-shi): Saitama (the capital city of Saitama Prefecture, Japan)

ダ埼玉: derogatory nickname for 埼玉 (Saitama, “Saitama Prefecture”)

to live in, to inhabit, to abide at, to dwell at

friend

(chiefly women's speech) first person singular pronoun: I, me

(polite) first-person singular pronoun: I, me

a personal or private matter / (by extension) selfishness

(formal) first-person singular pronoun: I, me

personal, private / secret