"Csepel Island (Hungarian: Csepel-sziget) is the largest island of the River Danube in Hungary. It is 48 km long; its width is 6\u20138 km. Its area comprises 257 km\u00B2 and its population is 165,000. The word Csepel is pronounced CHE-pel.Csepel Island extends south from Budapest; its northern point is Csepel, which is Budapest's District XXI."@en . . .