Ga-Rankuwa falls under the City of Tshwane Metropolitan Municipality (main area Pretoria and surrounds), which is in the Gauteng province.
ɡˈɑːɹˈæŋkjuːwə fˈɔːlz ˌʌndɚ ðə sˈɪɾi ʌv tˌiːˌɛsˈeɪtʃwˈeɪn mˌɛtɹəpˈɑːlɪtən mjuːnˈɪsɪpˈælᵻɾi mˈeɪn ˈɛɹiə pɹɪtˈoːɹiə ænd sɚɹˈaʊndz, wˌɪtʃ ɪz ɪnðə ɡɔːtˈɛŋ pɹˈɑːvɪns.