The municipal unity (formerly municipality) of Nea Anchialos has a total population of 7,411 inhabitants. It is located to the north of the Pagasitic Gulf , west of the city of Volos . The former municipality operated from 1999 to 2010 based in Nea Anhialos. It includes the following municipalities and settlements:

Community of Nea Anchialos [6.409 inhabitants]

• the New Anchialos [5.514]
• Agios Georgios [216]
• the Oak [219]
• the Demetrias [90]
• the Barley [131]
• the Marathos [239]

Community of Aydin

• the Aydin [498]

Mikrothoros Community [504 inhabitants]

• the Microwaves [489]
• Kastraki [15]