What is the Capital of Guernsey? St. Peter Port
St. Peter Port is the capital of Guernsey and also the island’s main port city. It is a relatively small town, and it has many steep narrow streets. The city houses, among other things, Elizabeth College, a college founded in 1563 by Elizabeth I. The main building, which was built in 1826, stands out in the city skyline. St Peter Port has 16,488 residents (2001).