Papa Stour is not a city but a small island located off the west coast of Shetland, Scotland. It is approximately 4.8 square miles in size and has a population of only a few people. The island is known for its dramatic coastal cliffs, natural beauty, and rich archaeological history. Visitors can explore the island's historical sites, such as St. Mary's Church, which dates back to the 12th century, and enjoy outdoor activities like hiking and birdwatching.