Sēja Municipality (Latvian: Sējas novads) was a former municipality in Vidzeme, Latvia. The municipality was formed in 2006 by reorganization of Sēja Parish; the administrative centre being Loja. The population in 2020 was 2,156.[3]
On 1 July 2021, Sēja Municipality ceased to exist and its territory was merged into Saulkrasti Municipality as Sēja Parish.[4]
Ogre is a state city, but it is also part of Ogre Municipality. Unlike the other listed entities, it is not a first-level administrative division of Latvia.