Western Greece Region (Greek: Περιφέρεια Δυτικής Ελλάδας, romanized: Periféria Dhitikís Elládhas, [periˈferia ðitiˈcis eˈlaðas])[3] is one of the thirteen administrative regions of Greece.

[4][5] The capital of the Western Greece is Patras, the third-largest-city in the country with a population of about 280,000 inhabitants.

The region has hot, dry summers and mild, wet winters, typical of a Mediterranean climate (Csa).

Sunny days dominate during the summer months in areas within the beaches and partially cloudy and rainy in the mountains.

The Gross domestic product (GDP) of the region was 8.3 billion € in 2018, accounting for 4.5% of Greek economic output.