Grand Central Airport
It is located in Midrand , halfway between Johannesburg and Pretoria in South Africa . 
<triplet> Midrand <subj> South Africa <obj> country <triplet> Johannesburg <subj> Pretoria <obj> twinned administrative body <subj> South Africa <obj> country <triplet> Pretoria <subj> Johannesburg <obj> twinned administrative body <subj> South Africa <obj> country