Walferdange is on the outskirts of the city of Luxembourg, the capital of the Grand Duchy of Luxembourg.

The town is located in the Alzette valley, and is surrounded on both sides by wooded heights. The town consists of three sections : Walferdange and Helmsange extend on the right bank of the river, and Bereldange extends on the left bank. The town is crossed by National Road 7 and by the railway that links the northern part of the country with the capital. Total surface area: 706 ha.

Walferdange has about 8,030 inhabitants, 51% of whom are foreign of 90 different nationalities.

The population consists mainly of : mainly salaried employees in the service and industrial sectors; a few shop owners, craftspeople and self-employed workers.

Rose-growing and the gypsum industry, which have played a significant role over time, have completely disappeared. Agriculture, which used to be very significant, has been reduced to a single farmer.

A gallery of the old gypsum mine, which since 1968 has housed a European geodynamic and seismology laboratory.