Core Insights - Greece requires an investment of approximately €29 billion (about 12% of GDP) over the next decade for infrastructure development [1] Infrastructure Investment Breakdown - The investment allocation includes €21.3 billion for road infrastructure [1] - €3.7 billion is designated for port development [1] - €2.43 billion is planned for railway improvements [1] - Remaining funds will be allocated to airports, digital and communication systems, as well as water supply and sewage treatment systems [1]