Sure, here's two articles [1, 2] that describe the situation. Most of the refugees do stay in Turkey (including 1.9M Syrians acc. [1]).

[1] https://www.hrw.org/news/2015/09/29/why-dont-syrians-stay-tu...

[2] https://www.theguardian.com/world/2014/nov/20/amnesty-report...