Statistics for occurrence #1 of “Port Royal” in chapter 10 of Daniel Ammen, Confederate Military History, a library of Confederate States Military History: Volume 7.2, The Atlantic Coast:

...ral Grant had, however, recently given the subject his attention, and thought an army force would be ready to co-operate on the 1st of October. For strategic purposes the force was to assemble at Port Royal , and in addition to the force to assemble through the direct order of the Department, the admiral was authorized to bring with him all such vessels and officers as could be spared from the West Gulf...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Port Royal (South Carolina, United States) 2,928 94 170 0 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.