Deletion of Piedmont bioregion

Comment: This seems to be a sub-division of Piedmont (United States) similar to Piedmont region of Virginia.  They all need work rather than deletion per policy , "''If editing can improve the page, this should be done rather than deleting the page.''"  See ''https://www.google.co.uk/books/edition/Field_Guide_to_the_Piedmont/bxU18SCH_g4C?hl=en&gbpv=0 Field Guide to the Piedmont'' to get you started
Stance: keep
Cited policy: Wikipedia:Deletion policy (WP:ATD)

Comment: not seeing enough in-depth coverage from independent, reliable sources to show this meets 
Stance: delete
Cited policy: Wikipedia:Notability (WP:GNG)