While federal agencies establish national geospatial policies and produce foundational data, state and regional governments are the critical hubs where these national frameworks are adapted to meet regional needs and local priorities. State-level geospatial coordination is essential for aggregating data from local governments, providing a unified operational picture for statewide challenges, and ensuring that local data can integrate with national programs. The National States Geographic Information Council (NSGIC) provides a unified voice for states at the national level, while State Geographic Information Officers (GIOs) lead coordination efforts within their respective states. This entry examines the role of state and regional bodies in the U.S. geospatial ecosystem, their primary functions, common challenges, and their indispensable role in bridging national policies with local implementation. These state-level activities are conducted within the broader framework of national policies and programs, as detailed in the entry on National Organizations and Programs (DC-07-022).