Märjamaa Parish is an Estonian municipality located in Rapla County. It had a population of 7,015 and an area of 1,164 km² (336.54 mi²). Märjamaa Parish was the biggest municipality in Estonia by area.

Altküla is a village in Märjamaa Parish, Rapla County in western Estonia.

Aruküla is a village in Märjamaa Parish, Rapla County in western Estonia.

Avaste Nature Reserve is a nature reserve situated in western Estonia, to largest extent in Pärnu County.

Kaguvere is a village in Märjamaa Parish, Rapla County in western Estonia, north of the Teenuse River.
Kivi-Vigala is a village in Märjamaa Parish, Rapla County in western Estonia.

Kohatu is a village in Märjamaa Parish, Rapla County in western Estonia.

Kohtru is a village in Märjamaa Parish, Rapla County in western Estonia.

Koluta is a village in Märjamaa Parish, Rapla County in western Estonia.

Konuvere is a village in Märjamaa Parish, Rapla County in western Estonia, on the north side of the Konuvere River.

Lestima is a village in Märjamaa Parish, Rapla County in western Estonia, on the right (east) bank of the Teenuse River.

Linnuraba Nature Reserve is a nature reserve situated in Estonia, in Rapla County.
Märjamaa is a borough in Rapla County, Estonia. It is the administrative center of Märjamaa Parish. Märjamaa has a population of 2,961 as of 29 November 2012, making it the largest settlement in the whole of Märjamaa Parish.

Orgita is a settlement in Märjamaa Parish, Rapla County in western Estonia.

Paeküla is a village in Märjamaa Parish, Rapla County in western Estonia.

Pajaka is a village in Märjamaa Parish, Rapla County in western Estonia.

Pühatu is a village in Märjamaa Parish, Rapla County in northwestern Estonia. Between 1991–2017 the village was located in Raikküla Parish.

Russalu is a village in Märjamaa Parish, Rapla County in western Estonia.
Tiduvere is a village in Märjamaa Parish, Rapla County in western Estonia.
Vaimõisa is a village in Märjamaa Parish, Rapla County in western Estonia.

Vana-Vigala is a village in Märjamaa Parish, Rapla County in western Estonia.
Vängla is a village in Märjamaa Parish, Rapla County in western Estonia.

Varbola is a village in Märjamaa Parish, Rapla County in western Estonia.

The Varbola Stronghold was the largest circular rampart fortress and trading centre built in Estonia, in Harju County in the 10th – 12th centuries. Parts of the ruins of the 580-metre (1,900 ft) long and 8-to-10-metre high limestone wall of the fortress stand to this day. The long gateways with multiple gates were built to defend the entrances. In these sections higher defensive towers were erected. There was a 13-metre (43 ft) deep well in the middle of the fortress and the territory held about 90 structures with furnaces for accommodation built with limestone floors and foundations.

Vardi Nature Reserve is a nature reserve in Rapla County in central Estonia.

Velise is a village in Märjamaa Parish, Rapla County in western Estonia.