The information that can be useful for your travel.

Cities Guernsey  
Country information country code: GG
continent: Europe
capital: Saint Peter Port
languages: English, French

EU membership: no
NATO membership: no

GSM: 900/1800/3G
GPS: 49 28 N, 2 35 W
electricity: 230V/50Hz

Guernsey Pound: GGP
1GGP = 1.913 USD
1GGP = 1.470 EUR

phone code: +441481

Travel advices and warnings Guernsey
Tourism One of the famous Channel Islands and second only in terms of size to Jersey, Guernsey is the perfect island resort, with spectacular beaches and a definite subtropical feel. The mild winters and endless summer sunshine see a stream of tourists arrive, to enjoy the peace and tranquility offered on Guernsey, along with many scenic cliff top walks, prehistoric remains, woodland valleys, secluded coves and superb sandy beaches, with interesting rock pools just waiting to be explored at beaches such as l'Eree and Saints Bay.
Climate Best time to visit:
The most popular holiday season is from Easter to October, with temperatures averaging 20-21°C (68-70°F). These months give an average of 200 and 260 hours of sunshine. Rainfall is mainly during the cooler months. The sea is 17°C (63°F) on average during the summer.
Language The linguistic situation of the Bailiwick of Guernsey is quite similar to that of Jersey, the other Bailiwick in the Channel Islands. English is the official language, French is used for administration, there are several varieties of Norman language used by a minority of the population, and Portuguese is spoken by immigrants in the workforce.
Cuisine Welcome to Guernsey, where islanders have an enduring passion for food. Norman roots and a cosmopolitan seafaring heritage, combined with the perfect gardening climate, a bountiful sea and arguably the best milk in the world, makes this a paradise for eating and drinking.
The Good Food Guernsey site is an online celebration of the islands’ vibrant food culture. With local ingredients from the earth, sea, farm and cellar as well as recipes, including traditional Guernsey favourites, and events. It’s a mouth-watering menu of all that’s best in local cuisine

Saint Peter Port, Guernsey

Sunday 12, July

From wikipedia about Guernsey

The Bailiwick of Guernsey is a British Crown Dependency in the English Channel off the coast of Normandy.

The Bailiwick, as a governing entity, embraces not only all 10 parishes on the Island of Guernsey, but also the islands of Herm, Jethou, Burhou, and Lihou and their islet possessions. The Bailiwick of Guernsey also administers some aspects of two nearby crown dependencies (Alderney and Sark), and the island of Brecqhou.

Although its defence is the responsibility of the United Kingdom, The Government and Law of Guernsey, States of Guernsey publ. Ogier, Darryl (2005), ISBN=0954977505 the Bailiwick of Guernsey is not part of the UK; and while it participates in the Common Travel Area, it is not part of the European Union.

The Bailiwick of Guernsey is included (along with the Bailiwick of Jersey) in the grouping known as the Channel Islands.
Description above from the Wikipedia, licensed under CC-BY-SA full list of contributors here.