What is asberg?

Asberg is likely a misspelling or typo of the word "Aseberg." However, there are multiple places and people with this name, so it's important to specify which context you're referring to.

There are several towns in Sweden called "Åsberg," such as Åsberg in Dalarna County and Åsberg in Västernorrland County. Additionally, "Aseberg" is a surname commonly found in Sweden. Notably, there is a Swedish author named Lars Aseberg who has written several books, including "Private Collection" and "The Palermo Affair."

Without more information, it's difficult to provide a more specific answer.