The People of Britain

England, Scotland, Ireland and Wales called "four nations". The four nation is united and the people who lives in these country called four nations people. All peoples general language is English. Moreover, they uses different languages. Such as, Wales people use 'Walesh', Scotlands people use 'Scottish' and Irelands people use 'Irish' language. There cultures are same but sometimes quit difference.
Ref:
 http://www.angloamerican.uk.com/images/webImages/flags.jpg