Saint Paul Island is the largest of the Pribilof Islands, a group of four Alaskan volcanic islands located in the Bering Sea between the United States and Russia. The city of St. Paul is the only residential area on the island. The three nearest islands to Saint Paul Island are Otter Island to the southwest, Saint George slightly to the south, and Walrus Island to the east.
St. Paul Island has a land area of 40 square miles (100 km2). St. Paul Island currently has one school (K-12, 100 students), one post office, one bar, one small store, and one church (the Russian Orthodox Sts. Peter and Paul Church), which is listed on the U.S. National Register of Historic Places.