Western Macedonia (Greek: Δυτική Μακεδονία, romanized: Dhitikí Makedhonía, [ðitiˈki makeðoˈnia]) is one of the thirteen regions of Greece, consisting of the western part of Greek Macedonia. Located in north-western Greece, it is divided into the regional units of Florina, Grevena, Kastoria, and Kozani. With a population of approximately 280,000 people, as of 2017, the region had one of the highest unemployment rates in the European Union.