Turkish border guards rounded up 1,632 migrants attempting to illegally enter Turkey from Syria, the Turkish General Staff said in a statement, Xinhua reported.
Some 171 undocumented migrants were found attempting to cross Turkey-Greece border illegally, according to the statement.
Another 575 migrants trying to illegally enter Greece and Bulgaria were held in northwestern Edirne province, a security official told state-run Anadolu Agency.
Gendarmerie caught 126 migrants, including 104 Afghan and 22 Pakistani nationals, from a bus at a checkpoint in Turkey's central province of Sivas.
During another operation in northern Kastamonu province, security forces stopped an Istanbul-bound bus and held 121 migrants, including Pakistanis, Afghans and Senegalese. (IANS)