municipal area; city limits; city territory
Refers to the geographical area within the administrative boundaries of a city. Often used in official or planning contexts.
この公園は市域の北部にあります。
This park is in the northern part of the municipal area.
市域の
With the expansion of the city limits, a new school was built.
Compound of 市 (city) and 域 (area, region). A straightforward Sino-Japanese word.