The municipal unit of Tripoli is subdivided into the following communities:

The municipal unit is subdivided into the following communities (constituent villages in brackets):

The former municipal unit of Sagiada was subdivided into the following communities:

The municipal unit of Kalamata is subdivided into the following communities (population according to the 2011 census and settlements within the district in brackets):

The municipality is subdivided into the following five communities (population in 2011 in brackets):

The municipal unit of Megalopoli is subdivided into the following communities (villages within the community in brackets):

The municipal unit Vilia is subdivided into the following communities:

The municipalunit Bizani is subdivided into the following communities (constituent villages in brackets):

Nea Koutali is subdivided into the following communities with their constituent villages shown in brackets:

The municipal unit Petalidi is subdivided into the following communities (2001 population in brackets):