Yes. A valid Estonia Schengen visa allows travel across all 29 Schengen member states, including France, Germany, Italy, Spain, and others, within the visa's validity period. However, it does not cover non-Schengen EU countries such as Ireland or Cyprus, nor the United Kingdom. The total stay across all Schengen countries combined must not exceed 90 days within any 180-day period. For travellers planning a multi-country European trip, an Estonia Schengen visa is a practical and widely accepted option.