Proper noun
Haddingtonshire
A historical county of Scotland, alternatively known as the County of Haddington, which was renamed East Lothian in 1921.
In Scotland four shires have alternative names with the "-shire" suffix: Angus (Forfarshire), East Lothian (Haddingtonshire), Midlothian (Edinburghshire) and West Lothian (Linlithgowshire). Source: Internet