The topography of Ngio Ngam subdistrict is flat plains and is located in the lower northern part of Thailand.

[2] Ngio Ngam subdistrict lies in the Nan Basin, which is part of the Chao Phraya Watershed.

The Nan River flows on the boundary of Ngio Ngam and Wang Nam Khu subdistricts.

Ngio Ngam subdistrict is home to the following active temples, where Theravada Buddhism is practised by local residents:[5] Most of the people are engaged in agriculture of which rice is the main crop.

[9] All households in Ngio Ngam subdistrict have access to the water network of Provincial Waterworks Authority (PWA).