Jihar Lagos jiha ce dake a ƙasar Najeriya. Tana da yawan fili kimani na kilomita araba’in3,577 da yawan jama’a miliyan sha bakwai da dubu dari biyar da hamsin da biyu da dari tara da arba'in (jimillar 2012). Babban birnin tarayyar jahar ita ce Legas. Babajide Sanwo-Olu, shi ne gwamnan jihar tun zaben shekara ta 2015 har zuwa yau. Mataimakin gwamnan shi ne Oluranti Adebule. Dattijai a jihar sun hada da: Bola Tinubu, Oluremi Tinubu, Solomon Olamilekan Adeola da Gbenga Bareehu Ashafa. Jihar Lagos tana da iyaka da jiha ɗaya: Ogun. Jihar Lagos ta rabu gida Biyar (5) wurin rabe-raben ayyuka, wadanda suka kara rabuwa zuwa Kananan Hukumomi ashirin (20). Sune: Sha shidan (16) farko na sunayen dake sama, sun kunshi wurare ne daga cikin garin birnin Lagos. Sauran Kananan hukumomi hudun (4) kuma, wato (Badagry, Ikorodu, Ibeju-Lekki ds Epe) suna daga Jihar ne, amma ba daga cikin garin Birnin Lagos ba. A shekara ta 2003, yawancin Kananan hukumomi ashirin (20) dake nan a yanzu, anrarrabasu domin harkokin gudanar da aiki zuwa Local Council Development Areas.