Provence-Alpes-Côte d'Azur daily basis, but cities are investing in public transport networks such as Marseille's subway (2 lines) and tramway (3 lines), Aubagne's tramway (1 line) and Nice's tramway (1 line). Other networks existed at the beginning of the 20th century in smaller cities such as Aix-en-Provence, Avignon, La Ciotat and Toulon but are now gone. Major universities of the region include the Aix-Marseille University, the University of Toulon, the University of Avignon and the University of Nice Sophia Antipolis. Other towns have higher education classes but no Universities. Provence-Alpes-Côte d'Azur Provence-Alpes-Côte d'Azur (; ; ; PACA) is one of the 18
Provence-Alpes-Côte d'Azur It encompasses six departments in Southeastern France: Alpes-de-Haute-Provence, Alpes-Maritimes, Bouches-du-Rhône, Hautes-Alpes, Var and Vaucluse. It is bounded to the east by the France-Italy border, to the south by the Mediterranean Sea and by the Principality of Monaco, to the north by Auvergne-Rhône-Alpes, and to the west by Occitanie, with the Rhône river marking its westernmost border. The region logotype displays the coat of arms created in the 1990s and which combines the coats of arms of the old provinces making up Provence-Alpes-Côte d'Azur. Economically the region is the third most important in France, just behind Île-de-France and Auvergne-Rhône-Alpes. Its GDP