SearXNG shows two different things:
region:
"de-CH" is the equivalent of "Schweiz (de)" in DDG.
languages:
"en" doesn't say anything about the location. It is up the engines to do their
best to select English results without a region.
Suggested-by: @dalf https://github.com/searxng/searxng/pull/967#issuecomment-1072979693
Signed-off-by: Markus Heiser <markus.heiser@darmarit.de>