CHAFFARINAS or ZAFFARINES, a group of islands belonging to Spain, off the north coast of Morocco, 2 M. to the north of Cape del Agna. Pop. c. 320. The islands, which were the Tresinsulae of the Romans and the Za f ran of the Arabs, were occupied by Spain in 1848. The Spanish Government undertook the construction of breakwaters to unite the central island, Isabella II., with the neighbouring islet of El Rey, in order to enclose a deep and already sheltered anchorage. The largest island, Del Congreso, is rocky and hilly.