Both the rivers called Tame and Mersey passes through the county borders, both of which rise slightly when these pass the hills. Other rivers that flow in the county are the Beal, the Douglas and the Irk, connecting the county with nature.

The peak of Black Chew Head is the highest in Greater Manchester and it stands at 1,778 feet or 542 m above sea-level, it is located within the administrative control of Saddleworth. The largest area of prime farmland in Greater Manchester, Chat Moss at 10.6 square miles or 27 km2 and it contains the largest part of semi natural woodland in the county.

Most of the county is urban as it is a strong business district. Greater Manchester is also a polycentric county under whose control comes ten metropolitan districts,

Greater Manchester is no doubt the most complicated urban area in the UK except London and this is shown in the density and flow of its transport system. The amount it required for investments are in order to meet the progressing and different movements demand generated by its development fashion.

Greater Manchester has an average maritime weather, like most of the British Isles, with cool summers and mild winters. The county's annual average rainfall is slightly less when compared to the UK average of 1,125.0 millimeters or 44.29 in and its mean rain days are also less than UK. The temperature is a little bit high than the average of the UK.

Humidity level is high in Greater Manchester, which has prepared itself to the most of and a break free textile manufacturing units that work all over the county. Snowfall is not a usual sight in the developed areas, because of the urban warming reasons. Where as, the Pennine and Rossendale Forest hills that surround the eastern and northern borders of the county get more snow and roads that lead out of the county have to be closed when heavy snowfall occurs, especially the A62 road that runs via Standedge, the A57 or also called Snake Pass that goes towards Sheffield and the M62 that goes over Saddleworth Moor.

Most of Greater Manchester's houses consist of terraced houses that were constructed as low cost houses, mostly for the population of local factory town workers. This street has been renovated in Salford due to Urban Splash.

Greater Manchester has the third most populous county in the UK after Greater London and the West Midlands. It comes seventh if density of population is calculated in England.

Greater Manchester has a diverse population and is a multicultural in form. After the industrialization of Greater Manchester was on decline in the mid 20th century, there was a huge economic and population decline in this area, especially in Manchester and Salford.

Big areas that had low quality and morally degraded terraced housing that was built in the Victorian period were found in a neglected and poor state of repair and were not ready for modern requirements. Many interior districts had to suffer from high levels of unemployment and chronic social deprivation.