The prefecture of Agadir-Ida Ou Tanane () is a largely urban subdivision of the Souss-Massa region of Morocco. on the Atlantic coast, it had inhabitants in 2024. It covers 2,297 square kilometers.
The prefecture is bordered by the Atlantic Ocean to the west, the province of Essaouira to the north, that of Taroudant to the east and by the prefecture of Inezgane Ait Melloul to the south.