▁formerly ▁lying ▁outside ▁the ▁Sh enz hen ▁Special ▁Econom ic ▁Zone , ▁the ▁other ▁being ▁Long gang . ▁ ▁History ▁Ba o ' an ▁was ▁the ▁historical ▁name ▁of ▁Ba o ' an ▁County ▁( also ▁known ▁as ▁X in ' an ▁County ) ▁of ▁the ▁Q ing ▁dynast y , ▁which ▁included ▁area ▁of ▁modern ▁day ▁Sh enz hen ▁and ▁Hong ▁Kong . ▁The ▁area ▁of ▁today ▁Ba o ' an ▁District , ▁was ▁integrated ▁into ▁Sh enz hen ▁in ▁ 1 9 7 9 , ▁which ▁the ▁Ba o ' an ▁County ▁was ▁promoted ▁as ▁a ▁city . ▁ ▁Ba o ' an ▁was ▁revert ed ▁into ▁county ▁status ▁in ▁ 1 9 8 1 , ▁as ▁the ▁administrative ▁unit ▁of ▁the ▁area ▁that ▁belongs ▁to ▁Sh enz hen , ▁but ▁now ▁belongs ▁to ▁Sh enz hen ▁Special ▁Econom ic ▁Zone . ▁Border ▁pat rol s ▁were ▁also ▁established ▁in ▁the ▁border ▁of ▁the ▁Econom ic ▁Zone . ▁In ▁ 1 9 9 1 , ▁Sh enz hen ▁Ba o ' an ▁International ▁Airport , ▁located ▁in ▁Ba o ' an ▁County , ▁was ▁opened . ▁ ▁Finally ▁Ba o ' an ▁district ▁was ▁established ▁in ▁January ▁ 1 , ▁ 1 9 9 3 . ▁Two ▁New ▁District s ▁() ▁were ▁created ▁as ▁sub - d istrict s ▁of ▁Ba o ' an ▁district , ▁namely ▁Gu ang ming ▁and ▁Long h ua ▁new ▁districts , ▁in ▁ 2 0 0 7 ▁and ▁ 2 0 1 1 ▁respectively .