Complex sentence: Stretching some 100km from north to south and about 27km wide in parts, the region is bounded to the by the Leeuwin-Naturaliste Ridge, between Cape Naturaliste and Cape Leeuwin, and to the west, by the Indian Ocean.
Split into simpler sentences: Stretching some 100km from north to south and about 27km wide in parts. The region is bounded to the north and south by the Leeuwin-Naturaliste Ridge, between Cape Naturaliste and Cape Leeuwin, and to the west, by the Indian Ocean.