The name Vehari means low-lying settlement by a flood water channel.

The district lies along the right bank of the river Sutlej, which forms its southern boundary.

[8] As of the 2023 census, Vehari district has 543,036 households and a population of 3,430,421.

[15] The district is located between 29°36′N 71°44′E / 29.600°N 71.733°E / 29.600; 71.733 and 30°22′N 72°53′E / 30.367°N 72.883°E / 30.367; 72.883 and borders with Bahawalnagar and Bahawalpur on the southern side, with Pakpattan on the eastern, with Khanewal and Lodhran on western and with Sahiwal and Khanewal on northern side.

The total area of the district is 4,364 square kilometres (1,685 sq mi).