Afghan asylum-seekers have set up a homeless camp at the site of a prominent Paris terror attack memorial in protest at the lack of migrant housing.

The migrants have laid down mattresses and blankets at the busy Place de la Republique in Paris, where tens of thousands held a march of solidarity in the wake of the attacks.

The location of a tribute to those killed on November 13, the area is now been covered in protest signs and debris from the migrants living in the area.

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An Afghan migrant lies under a blanket at a protest camp at the Place de la Republique in Paris

Two Afghan migrants pose for a photograph at the camp, where they are protesting a lack of housing

A man lies under a sign pinned to a tree that reads 'borders kill' at the protest site - which is also the location of a memorial to the Paris attack victims

Photographs from the scene show dozens of migrants lying in the concreted area on mattresses, pieces of cardboard, and blankets.

Next to one group of the Afghan asylum seekers is a sign stating 'borders kill', which sits nailed to a tree.

Meanwhile, Turkish media say 11 migrants - including three children - crossing the Aegean Sea to Greece have drowned after their boat capsized.

The state-run Anadolu Agency said the Turkish coast guard spotted the refugees Tuesday during a routine patrol off the coast of southwest Aydin province.

DHA agency broadcast images of men, women and children waiting next to a line of blue body bags as rescuers in boats and a helicopter continued to search for survivors.

It was not immediately clear how many people were on the boat that sank.

With just days left in 2015, the Geneva-based International Organization for Migrants says more than 1 million asylum-seekers have entered Europe as of Monday. Almost all came by sea, while 3,692 drowned in their attempts.

However, concerns remain that ISIS terrorists are entering Europe using fake passports and hidden among asylum seekers.

Several of the perpetrators of the Paris terror attacks are believed to have entered Europe through Greece. After the attacks, they were found to be in possession of forged Syrian passports.

The Place de la Republique in Paris was the site of solidarity rallies in the wake of the attacks in November

Tens of thousands marched through the square, where a tribute, dedicated to those killed in the attacks, has now been erected

Today a senior Bavarian politician claimed refugees with forged Syrian passports have disappeared in Germany and there are grounds for suspicion that they may have had contact with Islamic State militants, according to local reports.

Joachim Herrmann, interior minister in the southern German state of Bavaria, confirmed that German security services knew that some people had entered in October and November with passports with similar serial numbers to Syrian passports that had been stolen by ISIS.

'We know that because we made copies of these passports at the time,' Die Welt and other media quoted Herrmann as saying, adding that two of the Paris attackers also had passports from a similar series.

'An initial suspicion that this could be about more people sent by ISIS is likely and must at least be cleared up.'