Complex sentence: It comprises twelve cells on the premises of the Scheveningen branch of the Haaglanden Penal Institution, The Hague, close to the ICC's new headquarters in the Alexanderkazerne.
Split into simpler sentences: It comprises twelve cells on the premises of the Scheveningen branch of the Haaglanden Penal Institution, The Hague. The detention unit is close to the ICC's new headquarters in the Alexanderkazerne.