This is the 797th most frequent Spanish word.
municipal
Relating to a town or city or its local government.
Here, 'municipal' is used as an adjective to specify that the stadium is owned or managed by the municipality.
El estadio municipal se encuentra en el centro de la ciudad.
The municipal stadium is located in the city center.
The term 'municipal' modifies 'gobierno', referring to the government at the municipal level.
El gobierno municipal organizó un festival cultural el fin de semana pasado.
The municipal government organized a cultural festival last weekend.
In this sentence, 'municipal' qualifies 'ordenanzas', indicating that the ordinances are enacted by the local government.