Mayur Vihar is a residential area in East Delhi

Delhi

Delhi , officially National Capital Territory of Delhi , is the largest metropolis by area and the second-largest by population in India, next to Mumbai. It is the eighth largest metropolis in the world by population with 16,753,265 inhabitants in the Territory at the 2011 Census...

. It is situated across the Yamuna

Yamuna

The Yamuna is the largest tributary river of the Ganges in northern India...

 River of the main city of Delhi. Mayur Vihar, as the name suggests, is the dwelling (vihar) of the peacock (Mayur). It is a posh area in East Delhi. It has its own shopping complexes and 2 shopping malls. Many more are coming up soon.

The XIX Commonwealth Games village is also very close by.