Neapoli (Greek: Νεάπολη) is a suburb of the Thessaloniki Urban Area and a former municipality in the regional unit of Thessaloniki, Macedonia, Greece.

[2] The municipal unit population is 25,822 (2021 census),[1] while its land area is only 1.168 km2 (0.45 sq mi),[3] with a resulting population density of 22,108/km2 (57,260/sq mi), making it one of the densest places in the world.

Neapoli is located northwest of the city center of Thessaloniki.

Its neighboring suburbs are those of Polichni, Stavroupoli, Sykies, Thessaloniki and Ampelokipoi.

There are eight districts in Neapoli: Neapoli, Piropathon, Kato Anagennisi, Pano Anagennisi, Kountourioti, Troada, Riga Feraiou, Hydragogio.