THE ROAD TO GERMANY FOR ILLEGAL MIGRANTS:
* FROM TURKEY TO GREECE
Many refugees start the journey after they've made it to Turkey, from where they must make the dangerous water crossing of the Aegean Sea.
* FROM GREECE TO MACEDONIA
At least 13,000 migrants remain massed in a camp at the border town of Idomeni in Greece. Officials until recently waved refugees on through to Macedonia. That changed on February 18 when countries along the route - excluding Greece - agreed to only allow passage for Syrians and Iraqis, granting them a document that secured passage. Movement came to a halt on March 9, when Slovenia, Croatia, Serbia and Macedonia said they will not allow any more migrants to pass.
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* FROM MACEDONIA TO SERBIA
The border between Macedonia and Serbia, 200km north of Idomeni, remains without a fence, as only refugees with papers issued at Macedonia reach the camps in Tabanovce and in Presevo, on the Serbian side.
* FROM SERBIA TO HUNGARY
Initially the preferred route for refugees took them through Hungary. That stopped when Hungarian Prime Minister Viktor Orban ordered a fence to be built along the 175km border with Serbia and sealed it in mid-September. Since then, the flow of migrants has headed to Slovenia through Croatia.
* FROM CROATIA TO SLOVENIA
Slovenia set a daily cap of 500 migrants on February 25.
* FROM SLOVENIA TO AUSTRIA
Austria lets in only 80 people a day, and only those who can claim they need protection. A further 3200 are allowed to transit the country to apply for asylum elsewhere.
* FROM AUSTRIA TO GERMANY
Germany has carried out checks at its border with Austria since September.
