Greek Finance Minister Yanis Varoufakis is to visit the European Central Bank in Frankfurt on Wednesday, an ECB spokesman told AFP.
The spokesman gave no details of the timetable of the visit or whether Varoufakis would meet ECB chief Mario Draghi.
But the ECB's policy-setting governing council is scheduled to meet on Wednesday and vote whether to provide emergency liquidity assistance (ELA) to Greek banks.
Varoufakis already paid a visit to his British counterpart George Osborne in London on Monday as he seeks to build support for a renegotiation of his country's 240 billion euro ($270 billion) bailout.
In a flurry of diplomacy, Greece's new Prime Minister Alexis Tsipras phoned ECB chief Mario Draghi and has booked meetings with Italian Prime Minister Matteo Renzi, French President Francois Hollande and European Commission President Jean-Claude Juncker this week.
Varoufakis has said he feels it is "essential" to meet his German counterpart, Wolfgang Schaeuble, as Germany has shouldered the bulk of Greece's loans and is fiercely opposed to writing off any of that debt.