In the latter half of the century large colonies of Tosks were planted in the Morea by the despots of Mistra, and in Attica and Boeotia by Duke Nerio of Athens.
Southwards it extends to Sardinia, Sicily and the Morea.
They fought their duel out upon the Bosporus, off Sardinia, and in the Morea, with various success.
Yet she kept the Adriatic free of pirates, notably by suppressing the sea-robbers called Uscocchi (1601-1617), maintained herself in the Ionian Islands, and in 1684 added one more to the series of victorious episodes which render her annals so romantic. In that year Francesco Morosini, upon whose tomb we still may read the title Peloponnesiacus, wrested the whole of the Morea from the Turks.