Where to Find and Catch Komala
From Pokemon Go Wiki
Komala are found and captured in Nest and Habitat locations.
Nests
Komala Nests are locations that consistently spawn Komala.
Habitats
Komala Habitats are spawn locations where Komala 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: