Complex sentence: Koyama (also spelled Kwayama and Coiama) is the second largest island of the Bajuni Islands archipelago in the Indian Ocean very near the Somali mainland coast, although with 6.38 km² it is almost equal in size to Chula, which measures 6.40 km².
Split into simpler sentences: Koyama (also spelled Kwayama and Coiama) is the second largest island of the Bajuni Islands archipelago in the Indian Ocean, situated near the mainland coast of Somalia. At 6.38 km² it is almost equal in size to Chula, which measures 6.40 km².