adi , ▁Mar com anni ) ▁necess itated ▁the ▁presence ▁of ▁a ▁large ▁number ▁of ▁troops ▁( se ven ▁leg ions ▁in ▁later ▁times ), ▁and ▁numerous ▁for tr esses ▁were ▁built ▁on ▁the ▁bank ▁of ▁the ▁Dan ube . ▁ ▁Some ▁time ▁between ▁the ▁years ▁ 1 0 2 ▁and ▁ 1 0 7 , ▁between ▁the ▁first ▁and ▁second ▁Da cian ▁wars , ▁Tra jan ▁divided ▁the ▁province ▁into ▁P ann onia ▁Super ior ▁( western ▁part ▁with ▁the ▁capital ▁Car n unt um ), ▁and ▁P ann onia ▁In fer ior ▁( e astern ▁part ▁with ▁the ▁capit als ▁in ▁Aqu inc um ▁and ▁S irm ium ). ▁According ▁to ▁P to le my , ▁these ▁divisions ▁were ▁separated ▁by ▁a ▁line ▁drawn ▁from ▁Ar rab ona ▁in ▁the ▁north ▁to ▁Serv it ium ▁in ▁the ▁south ; ▁later , ▁the ▁boundary ▁was ▁placed ▁further ▁east . ▁The ▁whole ▁country ▁was ▁sometimes ▁called ▁the ▁P annon ias ▁( P ann onia e ). ▁ ▁P ann onia ▁Super ior ▁was ▁under ▁the ▁cons ular ▁leg ate , ▁who ▁had ▁formerly ▁admin ister ed ▁the ▁single ▁province , ▁and ▁had ▁three ▁leg ions ▁under ▁his ▁control . ▁P ann onia ▁In fer ior ▁was ▁at ▁first ▁under ▁a ▁pra et or ian ▁leg ate ▁with ▁a ▁single ▁leg ion ▁as ▁the ▁g arrison ; ▁after ▁Marcus ▁A ure lius , ▁it ▁was ▁under ▁a ▁cons ular ▁leg ate , ▁but ▁still ▁with ▁only ▁one ▁leg ion . ▁The ▁front ier ▁on