In Turkey, a number of watershed-based development and application projects have been under consideration and are at various phases of development. Watersheds are gaining critical roles for sustainable development programs all over the world. In this respect, it will be useful to look at the entire watershed boundaries of Turkey. The list taken from State Hydrolics Works of Turkey (DSI), contains 26 watersheds. In this communication we review the very basic information about Turkish Watersheds and discuss some criteria about their classification based on EU Land-Water-MED Program.