Kolubara District is located in central Serbia and is part of the larger Šumadija and Western Serbia region. The district is known for its rich natural resources, including coal, which is primarily extracted from the Kolubara Basin. This area plays a significant role in Serbia's energy production. The district's administrative center is the town of Lazarevac, which serves as a hub for local governance and services. Kolubara District is characterized by its diverse landscapes, including hills and rivers, making it an attractive area for agriculture and outdoor activities.