Where to Find and Catch Minun
From Pokemon Go Wiki
Minun are found and captured in Nest and Habitat locations.
Nests
Minun Nests are locations that consistently spawn Minun.
Habitats
Minun Habitats are spawn locations where Minun is likely to be encountered, but not guaranteed the way a Nest is.
Additional Tips and Information
Best Nests
If you know a really good nest or any of the nests above is really good, list them here: