The western part of the district is on the Central African Plateau at an altitude of 1 200 to 1,600 m. Higher mountain ranges separate this from land alongside Lake Malawi in the Rift Valley at 500 m. The landscape is a mixture of grassland with granite outcrops, natural woodland and commercial pine plantations on the mountains and some bamboo forest nearer the lake. The wet season is November to April with almost no rainfall at other times. The higher altitudes have moderate temperatures and can be cold in June and July.
The main town is Dedza Township located on the M1 road 85 km south of Lilongwe. The town has banks, post office, petrol stations, accommodation and a range of shops. There are smaller market towns with a post office, police station, shops and market—Lobi, Linthipe, Mayani, Mtakataka. Most of the people live in rural villages as subsistence farmers.
The initial results of the 2008 census put the population of the district at 623,789, an increase of 28% over the 1998 figure.
Government and administrative divisions
There are eight National Assembly constituencies in Dedza:
- Dedza - Central
- Dedza - Central East
- Dedza - East
- Dedza - North
- Dedza - North West
- Dedza - South
- Dedza - South West
- Dedza - West
The district also has 32 wards that elect members to the Dedza District Assembly (the local government authority). There are 8 Traditional Authority Areas headed by chiefs and Dedza Township has its own Assembly.
The M1 road linking Lilongwe with Blantyre runs through the centre of the District. The M5 Salima to Balaka road runs parallel to the Lake and the S126 Masasa to Golomoti road joins the two just south of the district boundary. The western part of the district has no major roads.
Apart from a commercial rice growing project at the side of Lake Malawi, agriculture is family based smallholdings. Larger businesses are limited to Paragon Ceramics (floor and roof tiles, Dedza Pottery ceramics), WICO Sawmill and a rose grower.
There are a number of tourist attractions in the district. There are four forest reserves—Dedza-Salima, Chongoni, Dedza Mountain and Mua-Livulezi. Chongoni has a UNESCO World Heritage listed rock art site. Dedza Pottery  is famous for its coffee shop and ceramics and has accommodation. The Kungoni Cultural Centre at Mua  has a museum that displays the cultural heritage of the tribes of central Malawi, a wood carving school and accommodation.
Theresa Kachindamoto is the paramount chief, or Inkosi, of the Dedza District. She is known for her forceful action in dissolving child marriages. Dedza District is linked with Norwich, UK, by a UK-based charity—the Norwich-Dedza Partnership . The Partnership supports education, health, agriculture, tourism development and public sector organisations through volunteer workers, supply of computers and other materials and small scale funding.
Cities & Towns in Dedza District
- Parliament of Malawi - Members of Parliament - Dedza District
- McNeish, Hannah (31 March 2016), "Malawi's fearsome chief, terminator of child marriages", Al Jazeera, retrieved 2016-04-05