U.VALU valley

a relatively shallow, wide depression, the bottom of which usually has a continuous gradient

39 features in 8 countries.

#	Country	Features	Share of the world
1	Iceland IS	23	59.0 %
2	Iraq IQ	7	17.9 %
3	Antarctica AQ	3	7.7 %
4	United States US	2	5.1 %
5	Argentina AR	1	2.6 %
6	Papua New Guinea PG	1	2.6 %
7	Pakistan PK	1	2.6 %
8	Turkey TR	1	2.6 %
	Total	39