ArcGIS Living Atlas provides global, country-wide, and regional coverage for basemaps and many layers. But what if you’re interested in focusing on your state, county, city, or local project? Using blending and effects you can easily apply focus to Living Atlas basemaps and layers for your specific area of interest.
This updated post will give you some ideas and provides a step-wise tutorial as well as sample apps to learn from.
https://www.esri.com/arcgis-blog/products/arcgis-online/mapping/local-focus