: ▁ ▁N airo bi ▁( core ) ▁Population ▁of ▁Core ▁N airo bi ▁between ▁ 1 9 0 6 ▁and ▁ 2 0 0 9 ▁ ▁Upper ▁Hill ▁Upper ▁Hill ▁has ▁become ▁an ▁alternative ▁for ▁major ▁companies ▁seeking ▁land ▁che aper ▁than ▁that ▁which ▁is ▁in ▁the ▁Central ▁Business ▁District ▁of ▁N airo bi . ▁It ▁is ▁one ▁of ▁the ▁two ▁main ▁bases ▁mult in ational ▁fir ms ▁consider ▁when ▁setting ▁up ▁in ▁Ken ya ▁or ▁Africa . ▁Some ▁of ▁the ▁fir ms ▁include ▁but ▁are ▁not ▁limited ▁to : ▁C is co ▁Systems , ▁Cit ib ank , ▁C oca - Col a , ▁H ua wei ▁and ▁IM F . ▁ ▁A verage ▁annual ▁office ▁r ents ▁for ▁Gra de ▁A ▁offices ▁in ▁N airo bi ▁▁ ▁Source : ▁Knight Fran k ▁ ▁West lands ▁West lands ▁along ▁with ▁Upper ▁Hill ▁has ▁become ▁one ▁of ▁the ▁two ▁main ▁bases ▁for ▁mult in ational ▁fir ms ▁that ▁want ▁to ▁set ▁up ▁in ▁Ken ya ▁or ▁Africa . ▁Some ▁of ▁the ▁fir ms ▁include ▁but ▁are ▁not ▁limited ▁to : ▁General ▁Electric , ▁Google ▁Africa ▁headquarters , ▁Intel ▁Corporation , ▁L G ▁and ▁Standard ▁Char tered ▁Pl c . ▁ ▁G igi ri ▁G igi ri ▁is ▁home ▁to ▁Ken ya ' s ▁large ▁exp atri ate ▁community . ▁It ▁is ▁one ▁of ▁the ▁largest ▁exp at ▁communities ▁in ▁Africa . ▁It ▁houses ▁the ▁United ▁Nations ▁Environment al ▁Program me . ▁N airo bi ▁is ▁the ▁only ▁African ▁city ▁to ▁host ▁a