Statistics for occurrence #1 of “Port Royal” in chapter 4 of Alfred Roman, The military operations of General Beauregard in the war between the states, 1861 to 1865:

...with a view to guard against this danger that the following communication was addressed to Commodore Ingraham: Charleston, S. C., March 1st, 1863. Sir,—The movements of the enemy in Port Royal Harbor yesterday looked suspicious, and have the appearance of an early movement of some sort. Thus forewarned, it will appear assuredly the part of prudence to be on the watch. I must therefore ...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Port Royal (South Carolina, United States) 2,928 52 170 2 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.