Valmiera Municipality is one of the 35 municipalities established in Latvia in 2021, located approximately 180 kilometres (110 mi) west of the national capital Riga. Its first elected municipal council took office on 1 July 2021. Its seat is the city of Valmiera.

Valmiera is the largest city of the historical Vidzeme region, Latvia, with a total area of 19.35 square kilometres. As of 2002, Valmiera had a population of 27,323, and in 2020, it was at 24,879. It is a state city, and is the seat of the Valmiera Municipality. Valmiera is one of the oldest cities in Latvia; it was a member of the Hanseatic League. According to the ethnic composition, Valmiera has the largest proportion of ethnic Latvians among the state cities.