Midalam (sometimes known as Udayamarthandam) is a village in Killiyur block in Kaniyakumari District of Tamil Nadu, India.

It shares border with Enayam and Thengapattanam at the west, Kurumpanai and Colachel at the east, Karungal at the north and Arabian Sea to the south.

[1] Midalam Census Town has total administration over 2,204 houses to which it supplies basic amenities like water and sewerage.

It is also authorize to build roads within Census Town limits and impose taxes on properties coming under its jurisdiction.

It belongs to Killiyur legislative assembly, the 234th constituency of Tamil Nadu and under the Padmanabhapuram division.

It belongs to Vilavancode Tehsil of Kanniyakumari district in Tamil Nadu, India.

[citation needed] Midalam has 37% (3190) population engaged in either main or marginal works.

[citation needed] The nearest railway station to Midalam is Eraniel which is located in and around 10.3 km distance.