He was a member of the Romania national football team which competed at the 1934 FIFA World Cup, but did not play any match.

He made his debut in the first tier of Romanian football on 11 September 1932, in a match between his team and CFR București.

[2] Gheorghe Ciolac made his debut for the Romania national football team in May 1928, in a match against Yugoslavia, lost by Romanians, 1–3.

In September 1929, he was for the first time the captain of the national team, in a match against Bulgaria, played on the Levski Stadium in Sofia.

[3] Gheorghe Ciolac was selected in the Romanian team for the 1934 FIFA World Cup, but did not play, remaining on the bench in the match against Czechoslovakia.