The suspects' lawyer said the men, who have refugee status in Sweden, would appeal against the sentence. They will remain incarcerated until their next trial, a date for which was not given.
The pair -- a 29-year-old of Bosnian descent and a 19- year-old of Yemeni origin -- were caught in January 2016 near the border with Turkey.
Inside their luggage police found two machetes, army uniforms and other combat paraphernalia.
The suspects insist the items had been legally purchased in Athens as souvenirs.
He was sentenced to up to 14 years in Bosnian prison, but was released in 2011.
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