The Mfantseman Municipal Assembly is one of the  Administrative Districts, which were elevated to Municipality status in January 2008 in the Central Region. The functions of the Mfantseman Municipal Assembly like all other District Assemblies are basically derived from statute, as mandated by Local Govement Act 462 of 1993 and Legislative Instrument No.2026.
Physical and Natural Environment
Location, and Size
The Municipality is bounded to the West by Abura-Asebu-Kwamankese District, to the North-East by AjumakoEnyanEssiam District and to the East by Ekumfi District and to the South by the Gulf Of Guinea. It stretches for about 35km from Eguase, the most weste point to Mankessim, the most Easte point.The Municipality covers about 660sq km and the proportion of land Area to region is in the ratio 1:20.
Relief and Drainage
Mfantseman is about 60 metres above sea level and is drained by a number of rivers and streamsincluding the Nkasaku, which empties into the Atufa lagoon in Saltpondand Aworaba which drains into Etsi lagoon in great Kormantse. Other lagoons in the area are the Eko near Anomabo, at Egyaa and Kwasinzema at Kormantse into which flow small streams and rivulets. Mfantseman is low lying with loose quateary sands along the coast and is characterized by undulating coastal dense scrub and grassland with isolated marshy areas.
Mfantseman has an average temperature of 24oC and relative humidity of about 70 percent, with double maximum rainfall with peaks in May-June and October. Annual total rainfall ranges between 90cm and 110cm in the coastal savannah areas and between 110cm and 160cm in the interior close to the margin of the forest zone. Dry seasons usually occur from December to February and from July to September.