Career
Național București
Herea started his career at Național București, where he went through the youth systems On 16 August 2003, he made his debut for the first team in the Liga I in a game against Football Club Brașov. He helped his side reach the 2005-2006 Romanian Cup final.
He played four years for Național București, becoming a regular in his last two seasons with the team, before he left for Rapid București.
Rapid București
In 2007 Herea was transferred to Rapid București for €1 million. In November 2011, after two months of negotiations, Herea signed a new 4-year deal with Rapid București worth €1 million.
In 2012 Herea had offers from Italian sides A.C. (before Christ) Milan and Associate of Science Bari. In April 2013 he scored an important 20 m free kick goal in the Romanian derby against Football Club Steaua București.
Sion
On 3 July 2013, he signed a three-year contract with Swiss side Football Club Sion.
Between 2005 and 2007 Herea was a Romania U-21 international. Herea made his national debut against Albania. He scored his first goal on 10 August 2011 against San Marino.
International goals.