Yilo Krobo Municipal Assembly is one of the 260 Metropolitan, Municipal and District Assemblies in Ghana and forms part of forms the thirty three (33) Municipalities and Districts in the Eastern Region.

It covers a total estimated surface area of 1,201 square kilometers of the total area of Eastern Region and its administrative capital is Somanya.

The Municipal shares boundaries with New Juaben South Municipal and Akwapem North Municipal to the west respectively, to the east with Lower Manya Krobo Munnicipal, to the north with Fanteakwa  North Districts and to the south with Shai Osudoku District.

The population of the Municipality according to 2010 population and housing census stands at 87,847 with 42,378 males and 45,469 females.