This is Crown Daisy (Glebionis coronaria, formerly Chrysanthemum coronaria), in the Chamomile tribe (Anthemideae), of the Daisy family (Asteraceae). It is native to southern Europe, northern Africa, southwestern Asia, and Arabia.
Glebionis consists of two species, the other being the Corn Marigold (G. segetum).
The genus is closely related to the Marguerite Daisies (Argyranthemum) of Macaronesia (Canary Is., Madeira, and the Selvagens).