Magento version 2.3+ and Using MSI
All your Magento Location will be listed at Magento > Configuration > Magento inventory Locations.
While performing the Export Stock then based on the Configured Warehouse under the Magento location, Product stock will be exported and set in the configured Magento warehouse.
As per the above configuration, The product’s stock from the “San Francisco” warehouse will be set in the Magento’s Emipro Inventory Source and product’s stock from the “Test Warehouse” will be set in Magento’s Default location.