Complex sentence: Neuwerk (3 km², 39 inhabitants) is a Wadden Sea island on the German North Sea coast and a homonymous quarter of the city of Hamburg, Germany, in the borough Hamburg-Mitte.
Split into simpler sentences: Neuwerk (3 km², 39 inhabitants) is a Wadden Sea island on the German North Sea coast. Administratively, it forms a homonymous quarter ("Stadtteil") of the city of Hamburg, Germany, which is part of the borough Hamburg-Mitte.