As well as being a parish, St. Peter Port is a small town consisting mostly of steep narrow streets and steps on the overlooking slopes. It is known that a trading post/town has existed here since before Roman times, the pre-Christian name of which has not survived into the modern era.
The postal code for addresses in this parish starts with GY1.
People from St. Peter Port, were nicknamed "les Villais" or "cllichards" in Guernésiais.
St. Peter Port is located on the east coast of Guernsey. It borders St. Sampson in the north, The Vale in the north-west, St. Andrew in the west and St. Martin in the south.
On the seaward side it faces Herm to the east, across the Little Russel, and Sark and Brecqhou even further east across the Big Russel between them and Herm. The Bréhon Tower sits in the Little Russel between St. Peter Port and Herm.
Relief The land in the north and by the harbour is low lying but in the south, the land gets much higher (but not as high as St Martin's or the Forest). This means that there are quite a few cliffs on the coast between Havelet and Fermain.
Saint Peter Port is subdivided into four cantons:
In addition, the islands of Herm and Jethou belong to the parish, but are not part of any canton. They belong to Electoral district Saint Peter Port South.
St. Peter Port has an English Isthmian League club, Guernsey F.C. who play at Footes Lane. The Guernsey Rugby Football Club also play at Footes Lane and compete in National League 3 London & SE.
Candie Gardens, an award-winning restored Victorian Garden features a statue of Victor Hugo. Cambridge Park is a recreational park that includes a skate park. In 2014 the parish was a Gold & Category Winner in the RHS Britain in Bloom competition, followed in 2016 with another Gold medal.
The following main roads (listed from north-south) provide important links between St Peter Port and the other parishes:
The following coastal roads (listed from north to south) are also very important as they provide access to the shops, carparks and the harbour:
Saint Peter Port comprises two administrative division, St Peter Port South and St Peter Port North.
In the Guernsey general election, 2016 in: