Marev was capped 16 times for the Bulgaria national team, 6 times for the Olympic team and 26 times for the U18 team of his country, with which he won the Balkan championship cup played in Thessaloniki in 1969.
The Bulgarian player Marev was disciplined 16 times for the senior national team, 6 times for the Olympic squad and 26 times for the under-18 national youth team of his country, with which he claimed victory at the Balkan championship cup held in Thessaloniki in 1969.