Püspökladány (pronounced [ˈpyʃpøklɒdaːɲ]) is the sixth largest town of Hajdú-Bihar county in North Eastern Hungary with a population of approximately 16,000 people. It is located southeast of Debrecen at the juncture of three regions: Sárrét, Hortobágy and Nagykunság. It is an important transportation hub at the junction of national highway 4 from Budapest to Záhony, and national highway No. 42 from Romania to Biharkeresztes. The town is served by four different rail lines.