▁in ▁ 5 ▁areas ▁and ▁ 1 9 ▁groups . ▁ ▁Free ▁trade ▁zones ▁and ▁exhibition ▁cent ers ▁ ▁Tab riz ▁International ▁Ex hib ition ▁Center : ▁which ▁is ▁a ▁complex ▁with ▁vast ▁exhibition ▁infrastr uct ures , ▁is ▁located ▁in ▁the ▁eastern ▁part ▁of ▁Tab riz . ▁ ▁It ▁holds ▁over ▁forty ▁commerce ▁exhib itions ▁on ▁a ▁year ly ▁schedule . ▁ ▁The ▁most ▁famous ▁fair ▁is ▁T EX PO , ▁which ▁is ▁a ▁general ▁trade ▁fair . ▁ ▁Ar as ▁Free ▁Zone : ▁is ▁situated ▁in ▁East ▁Az ar ba ij an ▁province , ▁in ▁the ▁north - west ▁of ▁Iran , ▁adjacent ▁to ▁N akh ch ivan ▁Aut onom ous ▁Republic , ▁Armen ia ▁and ▁the ▁Republic ▁of ▁A zer ba ij an . ▁Ex istence ▁of ▁the ▁green house ▁town ▁in ▁the ▁A FT Z , ▁which ▁has ▁been ▁built ▁upon ▁co operation ▁of ▁Agricult ural ▁J ih ad ▁Ministry , ▁has ▁p aved ▁the ▁ground ▁for ▁presence ▁of ▁invest ors ▁in ▁the ▁ar ena ▁of ▁plant ing ▁hydro pon ic ▁products . ▁The ▁ 5 0 0 - m eg aw att ▁combined ▁cycle ▁power ▁plant ▁project ▁which ▁is ▁currently ▁under way ▁in ▁A FT Z ▁as ▁a ▁joint ▁invest ment ▁vent ure ▁with ▁foreign ▁parties . ▁ ▁M aku ▁Free ▁Zone : ▁is ▁situated ▁in ▁West ▁Az ar ba ij an ▁province , ▁in ▁the ▁north - west ▁of ▁Iran , ▁adjacent ▁to ▁Turkey . ▁ ▁He avy ▁indust ries ▁Indust ries ▁include ▁machine ▁tools , ▁vehicle