Google Merchant Center has introduced the store address [store_address] attribute, which is now required for each product submission for Local inventory ads and Local free listings. This attribute ensures that products are properly associated with a physical store location.
Designed to standardize data input, the store_address is structured as a String using Unicode characters. Merchants must ensure addresses are correctly formatted using ASCII-encoded text.
Read the official help page found by Hana Kobzová: Store Address Attribute.