Kecskemét
It is the northern of two centres of the Hungarian Southern Great Plain ( Hungarian: Del-Alföld ) region ( comprising the three counties Bács-Kiskun , Békés and Csongrád ) ; the southern centre is Szeged , the seat of Csongrád county . 
<triplet> Southern Great Plain <subj> Békés <obj> contains administrative territorial entity <subj> Csongrád <obj> contains administrative territorial entity <triplet> Békés <subj> Southern Great Plain <obj> part of <triplet> Csongrád <subj> Southern Great Plain <obj> part of