Csepel Island

Csepel Island is an island in the Danube in Hungary. It is long; its width after sections of bifurcation and rejoining varies from. It has an area of and its population is 165,000.
The isle extends south from Budapest; its northern point or section is Csepel - Budapest's District XXI. Most of the island is accessible from Budapest by the suburban railway. Towns include Ráckeve, Szigetszentmiklós, Szigethalom and Tököl.
Csepel island was the first centre of the Hungarian [conquest of the Carpathian Basin], being the early homestead of Árpád's tribe. The island is named after Árpád's horse groom, Csepel.
It features Hungary's tallest structure, Lakihegy Tower, a radio mast used today intermittently for power network control purposes.