Φθιώτιδα is a regional unit in central Greece, located in the region of Central Greece. It is known for its diverse landscapes, which include mountains, plains, and coastlines along the Aegean Sea. The capital city is Lamia, which serves as a cultural and administrative center for the area. The region has a rich history, with archaeological sites that date back to ancient times. Notable locations include the ancient city of Thermopylae, famous for the battle between the Greeks and Persians. Today, Φθιώτιδα is recognized for its agricultural products, particularly cereals and olive oil.