Friedman's Valley was a city on the planet Manticore.
In 1544 PD, Joshua Miller served as an MP from Friedman's Valley in the House of Commons. (MA3)
In the late 19th Century PD, it was chosen as the new home for the members of the Sisterhood of Barbara because it was considered a calmer enviroment than larger cities like Landing. (HHA5.1: R)