Statistics for occurrence #1 of “Port Royal” in chapter 33 of Admiral David D. Porter, The Naval History of the Civil War.:

... it an officer of the South Atlantic Blockading Squadron to command the Atlanta. Very respectfully, Gideon Welles, Secretary of the Navy. Rear-Admiral S. F. Dupont, Commanding S. A. B. Squadron, Port Royal , S. C. List of vessels and officers under Rear-Admiral Samuel F. Dupont. Captain C. R. P. Rodgers, Captain of the Fleet. Commander, Thomas G. Corbin; Lieutenant-Commander,...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Port Royal (South Carolina, United States) 2,928 130 170 6 0 user votes
Port Royal (Jamaica) 4 0 4 0 0 user votes
Port Royal (Georgia, United States) 2 0 0 0 0 user votes
Port Royal (Alabama, United States) 0 0 0 0 0 user votes
Port Royal (Florida, United States) 0 0 0 0 0 user votes
Port Royal (Kentucky, United States) 0 0 0 0 0 user votes
Port Royal (Pennsylvania, United States) 0 0 0 0 0 user votes
Port Royal (Pennsylvania, United States) 0 0 0 0 0 user votes
Port Royal (Tennessee, United States) 0 0 0 0 0 user votes

† This entity has been selected by the automated classifier as the most likely match in this context. It may or may not be the correct match.