Abstract: This phytosociological study deals with the vegetation of Yandag (situated at the borders of Gelendost and Sarkikaraagac , Isparta province), 4 communities that belong to forest vegetation types were distinguished. Associations and their higher syntaxa are Quercetea pubescentis (Oberd, 1948) Doing Kraft, 1955; Querco-Cedretalia libani Barbero, Loisel et Quezel, 1974; 1-Querco vulcanicae-Juniperetum excelsae Kargioglu; Pino-Cistion laurifolii Quezel, Barbero et Akman, 1977; 2-Astragalo oxytropifolii-Pinetum caramanicae Kargioglu; Carpino-Acerion Quezel, Barbero et Akman, 1978; 3-Quercetum trojano-macrolepidis Kargioglu; 4-Onobrychido pisidicae-Quercetum pubescentis Kargioglu