The Urban Municipality of Koper (pronounced [ˈkoːpəɾ]; Slovene: Mestna občina Koper, Italian: Comune città di Capodistria) is one of twelve urban municipalities of Slovenia. It is located at the coastline of the Adriatic Sea in southwestern Slovenia and was established in 1994. The seat of the municipality is the town of Koper. Since 1995, the area has been part of the Coastal–Karst Statistical Region. The municipality is bilingual, with both Slovene and Italian recognized, and it shares borders with Italy and Croatia.

In addition to the municipal seat of Koper, the municipality also includes the following settlements:

• Media related to City Municipality of Koper at Wikimedia Commons
• Urban Municipality of Koper on Geopedia
• Official site