Option 1: Upload an image of a static map into your Media Library and insert it with the Image block.
Option 2: You can add a map block via the Inserter. Click on the Inserter top right, type ‘map’ and hit Enter. Install and activate the block you prefer. Each block has its own block-specific controls that allow you to manipulate the block right in the editor.: https://cloudup.com/ckUD22xt979