Deren ( mn, Дэрэн) is a

sum Sum most commonly means the total of two or more numbers added together; see addition. Sum can also refer to: Mathematics * Sum (category theory), the generic concept of summation in mathematics * Sum, the result of summation, the additio ...

(district) of

Dundgovi Province Dundgovi or Dundgobi ( mn, Дундговь, ''Middle Gobi'') is one of the 21 aimags (provinces) of Mongolia. It is located in the south of the country, approximately south of Ulaanbaatar. Its capital is Mandalgovi. Dundgovi is the second least ...

in central Mongolia. In 2007, its population was 2,408.

References

Districts of Dundgovi Province {{Mongolia-geo-stub