Via The Land of Maps.
Addendum: Readers with a modicum of knowledge of the German language might enjoy browsing an "Atlas of Everyday German." Go to the left sidebar, pick a random round of the survey, and see what you find. Here, for example, is the regional variation in the phrase you would use if you walked into a shop some afternoon and met someone you know -
- and here is the less-clearly regionalized response to "thank you" -
A tip of the blogging hat to an anonymous reader, who sent me that link.
Many readers of TYWKIWDBI are already familiar with the fascinating dialect maps of English, for which I posted the link in 2013.
Addendum #2: A hat tip to reader Aleksejs, who sent along the link for this map of the Latvian words for "potato" (officially "kartupelis") -
