He was causght in a refugee shelter on suspicion of being involved in an international migrant smuggling network.
The NCA (National Crime agency) caught the 26-year-old Palestinian in Sephton Park, Liverpool.
He is believed to be the ringleader of a gang responsible for smuggling up to 100 migrants EVERY DAY since 2013.
“As a result, the criminal group was dismantled, and a total of 23 suspects were arrested.
“Seven in Austria, 13 in Greece, two in Sweden and one in the United Kingdom.
“The identified smugglers were predominantly of Syrian and Greek origin, but also Palestinian.
“The organised crime group’s alleged leader was arrested by officers from the UK’s National Crime Agency (NCA) at an address in Liverpool.”
Police said Owda had been living in the UK for a year and was in the process of claiming asylum in the UK.
The courts are seeking to extradite the suspect back to Greece.
Graham Roberts, NCA spokesman, said: “As a result of joint working with the Greek authorities we have located and arrested a Palestinian man believed to be the head of a crime group responsible for smuggling around 100 Syrian migrants a day from Greece into western Europe.