Original: The sea is bounded by Corsica and Sardinia (to the west), Tuscany, Lazio, Campania, Basilicata and Calabria (to the east) and Sicily (to the south).
Simplified: The sea touches the borders of these regions: Corsica and Sardinia (west), Tuscany, Lazio, Campania, Basilicata, and Calabria (east), and Sicily (south).