[3] In the Ayutthaya period the area of Samut Songkhram was known as Suan Nok (Thai สวนนอก, "outer garden") and was administrated by Ratchaburi.

On 29 November 1936 Samut Songkhram town municipality was established, with an area of approximately 3.0 square kilometres (1.2 sq mi).

The administration of Samut Songkhram city is responsible for only Mae Klong subdistrict (tambon) with 5,000 rai ~ 8.0 square kilometres (3.1 sq mi) and 25,623 people, but no villages (muban).

Samut Songkhram town municipality (thesaban mueang) covers the whole Mae Klong subdistrict.

The following active temples, where Theravada Buddhism is practised by local residents:[7][8] There are the following schools in the city:[9] There is no health promoting hospital in Mae Klong.