Kristalina Georgieva, the EU Commissioner for Budget and Human resources, signed an agreement today for a rent subsidy program due to launch next year.
Thousands of stranded refugees are currently housed in old venues from the 2004 Olympics or are sleeping in tents pitched in city squares and parks in Athens.
More than 750,000 migrants and refugees have crossed through Greece this year, hoping to travel to central and northern Europe, but Macedonia and other Balkan countries last month toughened border rules, restricting crossings to nationals from Syria, Iraq and Afghanistan.