Gustav III of Sweden
The sailing battlefleet of 21 ships of the line, 13 frigates, various smaller ships, and 16,000 men, was led by flag-captain Admiral Otto Henrik Nordenskiöld, under command of Grand Admiral Duke Carl, younger brother of King Gustav III of Sweden. The coastal galley flotilla ("Skärgårdsflottan") of 14,000 sailors and army soldiers was led by flag-captain Colonel George de Frese, under personal charge of Gustav III of Sweden.