Based on the provided source material, there is no information regarding a city named William in Zambia. The source identifies William exclusively as a masculine given name of Germanic origin.
The name became popular in England following the Norman conquest in 1066 and has remained common through the Middle Ages into the modern era. Common abbreviations include "Wm.," while familiar shortened versions in English include Will, Wil, Wills, Willy, Willie, Bill, Billie, and Billy.