Hisarya Cove (Bulgarian: залив Хисаря, ‘Zaliv Hisarya’ \'za-liv hi-'sa-rya\) is the 950 m wide cove on the northwest side of Osmar Strait indenting for 500 m the southeast coast of Smith Island in the South Shetland Islands, Antarctica south of Dupnitsa Point and 7.6 km northeast of Cape James. Its head is fed by Letnitsa Glacier.