On the 01.01.2008 append a huge reorganization in Vaud canton in Switzerland there was 19 district but only 10 now.
the new district are :
District of Aigle
District of Broye-Vully
District of Gros-de-Vaud
District of Jura-North Vaudois
District of Lausanne
District of Lavaux-Oron
District of Morges
District of Nyon
District of Rivera-Pays-d'Enhaut
District of Ouest lausannois